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US Stock Market Sector Analysis – Wednesday, October 21, 2026 Sectors: BULLISH

Super Micro (SMCI) led the US stock market rally after a bullish fiscal update, jumping 9.5% to $35.57 and helping power a Nasdaq advance tied to strong SpaceX results and follow-through in AI infrastructure. The move lifted Infrastructure names like Dell (DELL) $485.88 (+5.3%) even as Memory & Storage and Chip Supply Chain remain under pressure; Memory & Storage is down 23.9% over 20 days and Chip Supply Chain is -10.2% over the same span. Big earnings beats from Meta (META) $697.52 (EPS $7.40 vs $6.00) and Tesla (TSLA) $386.47 (EPS $0.48 vs $0.44) supported the Mag 7 bundle, which was up 0.9% for the day and shows a mixed 50-day picture among its members. The S&P 500 breadth favored winners today with 18 sectors up, 7 down, and 12 sectors sitting above their 50-day moving averages in this sector analysis snapshot.

Market Condition Dashboard

US 10-Year Treasury Yield
Sell
5.09%
rising
Impact
Confidence
Crude Oil (WTI)
Elevated
$97.86
-3.9% 1D
Impact
Confidence
VIX (Fear Index)
Normal Range
16.7
-3.6% 1D
Impact
Confidence
200-Day Moving Average
Bullish Trend Intact
0/3 below
SPY above (+6.7%), QQQ above (+7.3%), DIA above (+4.9%)
Impact
Confidence
CNN Fear & Greed Index
Fear Zone
31
Fear (+4)
Impact
Confidence
Portfolio-Universe Breadth (50DMA)
Add Cash
44%
38 of 86 above 50DMA · +2.3pp 5D
Impact
Confidence
Put/Call Ratio (5D)
Caution
0.81
Call-Heavy · stable
Impact
Confidence

Signal analysis only — not investment advice

Sector Heatmap (1D)

Cybersecurity +5.05%
Infrastructure +4.65%
AI Power & Grid +3.29%
Memory & Storage +2.99%
Airlines +2.65%
IT Services +2.21%
Analog & Embedded Chips +2.14%
EDA & Semiconductor IP +1.75%
Chip Supply Chain +1.74%
Industrial +1.36%
AI Networking & Interconnect +1.35%
Finance +1.11%
Chip Equipment +0.96%
Enterprise Software +0.94%
Mag 7 (AI Spenders) +0.89%
Data Center REITs +0.67%
Logistics +0.44%
Energy +0.30%
Retail +0.16%
Defense & Aerospace -0.10%
Materials -0.12%
Food & Restaurant -0.20%
Utilities -0.54%
Healthcare -0.77%
Hospitality & Travel -0.85%
Biotech -1.01%
Media & Entertainment -2.59%
Telecom -3.73%
≤-3%0≥+3%

Sector Performance (Base=100)

Today's Market Events

Earnings Releases

  • International Business Machines (IBM) EPS: $2.95 vs est $2.89 (beat)
  • Lam Research (LRCX) EPS: $2.20 vs est $2.22 (miss)
  • Meta (META) EPS: $7.40 vs est $6.00 (beat)
  • NextEra Energy (NEE) EPS: $1.24 vs est $1.19 (beat)
  • AT&T (T) EPS: $0.65 vs est $0.61 (beat)
  • Tesla (TSLA) EPS: $0.48 vs est $0.44 (beat)
  • Texas Instruments (TXN) EPS: $2.62 vs est $2.44 (beat)

AI and Technology Sector Analysis

The AI investment theme showed bifurcation: Mag 7 leaders like NVIDIA (NVDA) $221.97 and Microsoft (MSFT) $532.95 remain central to infrastructure demand but display divergent 50-day trends — NVDA is below its 50-day (-0.9% 50d) while MSFT sits above (+8.4% 50d). Chip Supply Chain and Memory & Storage continue to lag (20d -10.2% and -23.9%, respectively), pressuring semiconductor equipment names such as Lam Research (LRCX) which missed EPS and weighed on near-term capex narratives. Enterprise Software and cybersecurity winners like Zscaler (ZS) $231.33 supported software-layer demand, while Super Micro (SMCI) and Dell (DELL) anchored the infrastructure rally, underscoring that AI spend flows into servers, EDA/IP ecosystems and networking — even as AI Networking & Interconnect shows extended weakness over the 50-day window (-33.0%).

US Stock Sector Overview

Sector 1D 5D 20D vs 50MA
Mag 7 (AI Spenders) +0.9% +0.3% +0.4% ABOVE
Chip Supply Chain +1.7% -0.4% -10.2% BELOW
Memory & Storage +3.0% -0.3% -23.9% BELOW
EDA & Semiconductor IP +1.7% -3.5% -6.2% ABOVE
Infrastructure +4.7% -0.0% -9.1% BELOW
AI Networking & Interconnect +1.4% -2.9% -11.1% BELOW
Enterprise Software +0.9% -0.2% +3.3% ABOVE
Finance +1.1% +0.7% -1.5% BELOW
Healthcare -0.8% +2.0% +9.4% ABOVE
Retail +0.2% +1.0% +10.4% ABOVE
IT Services +2.2% +7.1% +23.1% ABOVE
Airlines +2.7% -0.1% -7.4% BELOW
Hospitality & Travel -0.8% +0.1% +7.8% BELOW
Food & Restaurant -0.2% +1.9% +4.8% BELOW
Logistics +0.4% +1.3% +7.4% BELOW
Industrial +1.4% +1.3% -3.3% BELOW
Cybersecurity +5.1% -1.1% -3.7% ABOVE
Chip Equipment +1.0% -4.0% -11.0% BELOW
Data Center REITs +0.7% +0.5% -3.2% BELOW
AI Power & Grid +3.3% -1.8% -0.7% BELOW
Utilities -0.5% +0.7% +6.4% ABOVE
Energy +0.3% +2.7% +10.1% ABOVE
Defense & Aerospace -0.1% +2.8% +3.1% BELOW
Telecom -3.7% -3.6% -9.6% BELOW
Media & Entertainment -2.6% -4.7% -1.7% BELOW
Biotech -1.0% -0.7% +5.3% ABOVE
Materials -0.1% +1.8% +6.7% ABOVE
Analog & Embedded Chips +2.1% +2.1% +4.9% ABOVE

Sector Strength

Cybersecurity +5.1% 20d: -3.7%
Zscaler (ZS) +7.8% (20d: +7.8%), CrowdStrike (CRWD) +5.3% (20d: -7.8%), Palo Alto Networks (PANW) +2.0% (20d: -10.9%) [<50MA]
Infrastructure +4.7% 20d: -9.1%
Super Micro (SMCI) +9.5% (20d: -14.3%) [<50MA], Dell (DELL) +5.3% (20d: -9.4%) [<50MA], Vertiv (VRT) +4.2% (20d: -13.5%) [<50MA]
AI Power & Grid +3.3% 20d: -0.7%
Constellation Energy (CEG) +4.6% (20d: +3.5%) [<50MA], GE Vernova (GEV) +4.0% (20d: -3.0%) [<50MA], Vistra (VST) +3.9% (20d: +13.2%)
Memory & Storage +3.0% 20d: -23.9%
SK Hynix (HYNX) +4.9% (20d: -43.5%) [<50MA], Western Digital (WDC) +3.9% (20d: -15.9%) [<50MA], Seagate (STX) +3.2% (20d: -23.1%) [<50MA]
Airlines +2.7% 20d: -7.4%
United (UAL) +4.0% (20d: -8.6%) [<50MA], Delta (DAL) +1.3% (20d: -6.2%) [<50MA]

Sector Warnings

Telecom -3.7% 20d: -9.6%
AT&T (T) -6.4% (20d: -13.9%) [<50MA], T-Mobile (TMUS) -2.5% (20d: -7.0%) [<50MA], Verizon (VZ) -2.2% (20d: -7.9%) [<50MA]
Media & Entertainment -2.6% 20d: -1.7%
Netflix (NFLX) -5.3% (20d: -9.3%) [<50MA], Disney (DIS) +0.1% (20d: +5.9%)
Biotech -1.0% 20d: +5.3%
Gilead (GILD) -1.9% (20d: +2.6%), Amgen (AMGN) -0.1% (20d: +8.0%)
Hospitality & Travel -0.8% 20d: +7.8%
Booking (BKNG) -3.4% (20d: +0.6%) [<50MA], Marriott (MAR) +1.7% (20d: +14.9%)
Healthcare -0.8% 20d: +9.4%
Eli Lilly (LLY) -1.0% (20d: +7.5%), UnitedHealth (UNH) -0.5% (20d: +11.2%)

Sector Deep Dive

Infrastructure: Super Micro (SMCI) $35.57 jumped 9.5% after a fiscal Q1 update that re-accelerated the AI hardware trade; the Infrastructure sector is +4.7% on the day but is down -9.2% over the 50-day window, highlighting that today’s pop is a tactical rebound within a longer corrective phase. Dell (DELL) $485.88 rose 5.3% as buyers favored scale server OEMs, yet the 50-day context for the sector suggests investors should treat gains as selective rotation into names tied to immediate AI spend rather than a broad recovery.

Cybersecurity & Enterprise Software: Zscaler (ZS) $231.33 led cybersecurity with a 7.8% gain, while CrowdStrike (CRWD) $239.34 added 5.3% as the Cybersecurity sector outperformed at +5.1% for the day and sits above its 50-day trend (+9.4% over 50d). Enterprise Software advanced +0.9% and is +9.7% versus the 50-day; these readings support a quality-growth trade within software where recurring-revenue frameworks and security budgets tied to AI deployments remain robust in the 50-day horizon.

Memory & Storage and Chip Supply Chain: SK Hynix (HYNX) $16.42 climbed 4.9% but Memory & Storage is down -23.9% over 20 days and -11.5% over 50 days, signaling severe momentum deterioration despite episodic rebounds. Chip Supply Chain is +1.7% today but also shows a -10.2% 20-day decline and is below its 50-day — a reminder that equipment and component suppliers face uneven demand even as select system vendors see order re-acceleration.

Telecom & Utilities: AT&T (T) $21.91 reported an EPS beat ($0.65 vs $0.61) but traded down 6.4% on mixed guidance commentary, and Verizon (VZ) $43.56 fell 2.2% as the Telecom sector is the weakest on a 50-day basis (-10.0%). Utilities are modestly negative today (-0.5%) but remain above their 50-day (+3.9% for sector), reflecting defensive positioning as cyclical sectors show divergent 50-day performance across the market.

Market Breadth Analysis

US stock market breadth analysis shows 12 of 28 sectors trading above their 50-day moving average, while 16 are below. With the majority of sectors below the 50-day MA, medium-term momentum is deteriorating. The 20-day breadth shows 14 sectors in negative territory, pointing to widespread selling pressure.

Interactive Charts

S&P 500, NASDAQ 100 & Dow Jones (%)

Green shading marks regimes where portfolio-universe breadth (the share of the site's tracked tickers above their 50-day average) is below 50%: BUY at the 5th session (vertical line on the fire day), STRONG at the 10th (darker). A 3rd day back above 50% ends the regime; tolerated recovery days still count toward the session total. Research display only — not investment advice. Whole-market S&P 500 breadth is on the Breadth tab.

50-Day Sector Performance

1-Day vs 5-Day Sector Change

Active Alerts

HIGH Chip Supply Chain down -10.2% over 20 days
HIGH Memory & Storage down -23.9% over 20 days
HIGH AI Networking & Interconnect down -11.1% over 20 days
HIGH Chip Equipment down -11.0% over 20 days
HIGH AI Networking & Interconnect down -33.0% over 50 days
HIGH Airlines down -16.2% over 50 days
HIGH Chip Equipment down -18.5% over 50 days
HIGH 8 sectors declining >5% over 20 days: Chip Supply Chain, Memory & Storage, EDA & Semiconductor IP, Infrastructure, AI Networking & Interconnect, Airlines, Chip Equipment, Telecom
HIGH 8 sectors declining >10% over 50 days: Memory & Storage, AI Networking & Interconnect, Finance, Airlines, Industrial, Chip Equipment, Defense & Aerospace, Telecom

Stock-Level Detail

Mag 7 (AI Spenders) Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
TSLA $386.47 +3.4% +6.6% +2.3% +18.0% ABOVE 0
NVDA $221.97 +2.5% +2.2% -1.2% -0.9% BELOW 0
AAPL $343.99 +1.3% +0.6% +2.4% +13.8% ABOVE 0
META $697.52 +0.5% -5.3% -10.3% +20.5% ABOVE 0
MSFT $532.95 +0.2% -1.2% +7.0% +8.4% ABOVE 0
AMZN $262.37 -0.1% +3.0% +5.2% -1.8% ABOVE 1
GOOG $330.95 -1.6% -4.0% -2.4% -3.3% BELOW 2
Chip Supply Chain Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
AMD $552.72 +3.4% -1.7% -12.2% +14.5% ABOVE 0
MRVL $244.76 +1.8% +1.5% -5.5% +12.8% ABOVE 0
TSM $431.89 +1.6% +2.3% -4.3% +0.6% BELOW 0
INTC $92.96 +1.4% -2.5% -27.0% -7.9% BELOW 0
QCOM $177.96 +1.3% -0.2% -8.4% +9.1% ABOVE 0
AVGO $337.80 +1.0% -1.9% -3.6% -18.8% BELOW 0
Memory & Storage Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
HYNX $16.42 +4.9% -5.3% -43.5% -23.0% BELOW 0
WDC $378.51 +3.9% +6.2% -15.9% -16.6% BELOW 0
STX $696.89 +3.2% +0.9% -23.1% -20.6% BELOW 0
MU $913.67 +2.0% -1.9% -15.4% +0.3% BELOW 0
SNDK $1378.22 +0.9% -1.2% -21.4% +2.5% BELOW 0
EDA & Semiconductor IP Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
ARM $226.59 +2.5% -7.4% -26.0% -16.7% BELOW 0
CDNS $326.07 +1.9% +0.5% +1.3% +0.9% ABOVE 0
SNPS $451.19 +0.8% -3.6% +6.2% +9.4% ABOVE 0
Infrastructure Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
SMCI $35.57 +9.5% +1.4% -14.3% -5.4% BELOW 0
DELL $485.88 +5.3% +2.8% -9.4% +0.3% BELOW 0
VRT $212.15 +4.2% -1.2% -13.5% -26.4% BELOW 0
HPE $58.17 +3.7% -0.8% -8.4% -1.1% BELOW 0
CSCO $107.26 +0.5% -2.4% +0.3% -13.4% BELOW 0
AI Networking & Interconnect Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
COHR $237.53 +2.5% -5.2% -18.3% -33.2% BELOW 0
ANET $184.33 +1.7% -0.7% -10.4% -12.4% BELOW 0
APH $79.20 -0.2% -2.8% -4.7% -53.4% BELOW 2
Enterprise Software Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
PLTR $201.72 +4.7% +0.6% +4.7% +17.9% ABOVE 0
NOW $153.12 +2.4% +3.1% +11.1% +22.6% ABOVE 0
CRM $241.78 -0.3% -2.0% +1.5% +25.1% ABOVE 2
ADBE $255.06 -0.7% +1.3% +6.8% -1.4% BELOW 1
ORCL $129.13 -1.5% -4.0% -7.5% -15.8% BELOW 1
Finance Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
GS $904.72 +2.3% +1.5% -2.0% -12.8% BELOW 0
JPM $335.19 -0.0% -0.1% -1.0% -8.2% BELOW 1
Healthcare Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
UNH $417.00 -0.5% +2.5% +11.2% +2.8% ABOVE 1
LLY $1270.75 -1.0% +1.5% +7.5% +4.3% ABOVE 1
Retail Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
COST $998.31 +0.4% +2.1% +11.4% +5.1% ABOVE 0
WMT $117.80 -0.0% -0.1% +9.5% +1.8% ABOVE 3
IT Services Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
IBM $251.46 +3.9% +7.4% +10.7% +6.6% ABOVE 0
ACN $240.26 +0.5% +6.8% +35.4% +33.4% ABOVE 0
Airlines Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
UAL $101.67 +4.0% +0.4% -8.6% -18.7% BELOW 0
DAL $77.67 +1.3% -0.5% -6.2% -13.6% BELOW 0
Hospitality & Travel Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
MAR $404.00 +1.7% +4.7% +14.9% +14.2% ABOVE 0
BKNG $158.38 -3.4% -4.5% +0.6% -25.4% BELOW 1
Food & Restaurant Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
MCD $246.25 -0.1% +1.5% +3.9% -10.7% BELOW 1
SBUX $99.08 -0.3% +2.3% +5.8% -8.1% BELOW 1
Logistics Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
UPS $99.57 +1.1% +1.8% +8.2% -2.6% ABOVE 0
FDX $298.23 -0.2% +0.9% +6.7% -8.7% BELOW 1
Industrial Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
CAT $740.21 +2.1% +0.6% -8.1% -13.5% BELOW 0
HON $214.73 +0.7% +2.0% +1.4% -8.5% ABOVE 0
Cybersecurity Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
ZS $231.33 +7.8% +4.9% +7.8% +30.5% ABOVE 0
CRWD $239.34 +5.3% -2.1% -7.8% +7.9% ABOVE 0
PANW $347.25 +2.0% -6.2% -10.9% -10.3% BELOW 0
Chip Equipment Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
ASML $1676.69 +2.8% +1.2% -2.7% -7.4% BELOW 0
KLAC $163.43 +1.0% -6.3% -12.7% -21.4% BELOW 0
AMAT $408.94 +1.0% -4.9% -13.8% -25.3% BELOW 0
LRCX $260.81 -1.0% -6.0% -15.1% -20.0% BELOW 2
Data Center REITs Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
EQIX $995.00 +0.8% -0.1% -3.8% -6.5% BELOW 0
DLR $176.31 +0.6% +1.1% -2.6% -10.5% BELOW 0
AI Power & Grid Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
CEG $270.74 +4.6% -1.5% +3.5% -2.7% BELOW 0
GEV $925.92 +4.0% -0.1% -3.0% -11.0% BELOW 0
VST $156.14 +3.9% +1.3% +13.2% +6.4% ABOVE 0
ETN $393.94 +3.1% -2.1% -10.5% -14.4% BELOW 0
PWR $601.14 +0.9% -6.4% -6.6% -11.3% BELOW 0
Utilities Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
SO $90.39 -0.4% +1.4% +9.0% -1.5% ABOVE 1
DUK $120.67 -0.5% +1.5% +6.6% -1.4% ABOVE 1
NEE $78.28 -0.7% -0.9% +3.5% -8.7% BELOW 1
Energy Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
CVX $226.78 +0.5% +3.4% +10.3% +16.4% ABOVE 0
XOM $178.09 +0.1% +2.0% +9.8% +12.2% ABOVE 0
Defense & Aerospace Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
LMT $551.51 +0.5% +3.5% +5.3% -9.1% ABOVE 0
GD $344.71 +0.1% +2.3% +2.5% -12.6% BELOW 0
RTX $191.60 -0.9% +2.5% +1.6% -13.7% BELOW 1
Telecom Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
VZ $43.56 -2.2% -1.9% -7.9% -7.3% BELOW 1
TMUS $153.75 -2.5% -2.1% -7.0% -13.2% BELOW 1
T $21.91 -6.4% -6.8% -13.9% -9.6% BELOW 1
Media & Entertainment Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
DIS $111.83 +0.1% +1.0% +5.9% +8.3% ABOVE 0
NFLX $65.04 -5.3% -10.4% -9.3% -12.4% BELOW 4
Biotech Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
AMGN $438.34 -0.1% +1.0% +8.0% +5.9% ABOVE 1
GILD $153.57 -1.9% -2.4% +2.6% +13.0% ABOVE 1
Materials Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
APD $302.66 +0.0% +2.0% +6.4% -0.5% ABOVE 0
LIN $500.57 -0.3% +1.5% +6.9% +4.4% ABOVE 2
Analog & Embedded Chips Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
TXN $284.65 +2.5% +2.0% +5.2% +2.9% ABOVE 0
ADI $405.96 +2.2% +0.5% +6.1% +5.6% ABOVE 0
MCHP $77.15 +1.7% +3.9% +3.3% -2.3% ABOVE 0

Key Stock Movers

Today's biggest movers by absolute percentage change: Super Micro (SMCI) (Infrastructure) rose 9.5% to $35.57. Zscaler (ZS) (Cybersecurity) rose 7.8% to $231.33. AT&T (T) (Telecom) fell 6.4% to $21.91. Netflix (NFLX) (Media & Entertainment) fell 5.3% to $65.04. Dell (DELL) (Infrastructure) rose 5.3% to $485.88. These individual stock movements were key drivers of their respective sector performance.

Risk and Opportunity Assessment

On the risk side, 9 high-severity alerts are currently active, signaling significant sector declines that warrant portfolio risk management attention. Consider reducing exposure to affected sectors and tightening stop-loss levels.

US Stock Market Outlook

Positioning should balance selective exposure to AI infrastructure winners with defensive sleeves: active alerts show multiple high-risk themes (Memory & Storage, Chip Supply Chain, AI Networking & Interconnect, Chip Equipment) flagged for double-digit 20- and 50-day declines, and only 12 of 28 sectors are above their 50MA. Breadth is constructive in the short term (18 sectors up today) but 16 sectors sit below their 50-day, so favor names with clear earnings or AI revenue catalysts and tighten stops on cyclical hardware and telecom holdings. Monitor alert counts and 50-day trends closely — tactical buys in leaders after earnings beats (Meta, Tesla) make sense, while lagging semiconductor supply-chain names warrant selective trimming until 50-day momentum stabilizes.

Hypothetical Portfolio

SIMULATION
Value $128,309
P&L +28.31%
Today +1.25%
View full portfolio → Simulation only. Not investment advice.
← 2026-10-20
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