US Stock Market Sector Analysis – Friday, October 16, 2026
Sectors: BEARISH
Super Micro (SMCI) dominated headlines after a CFO shakeup and a sharp earnings-era drawdown, sending the stock down 9.9% and dragging infrastructure names as markets digested the company’s cash burn narrative. The move amplified weakness in Memory & Storage and Infrastructure, where Memory & Storage fell 8.0% and Infrastructure dropped 5.3% intraday, while Seagate (STX) slid 7.5% to $639.01 and SK Hynix (HYNX) tumbled 13.3% to $15.03. The US stock market closed with 8 sectors up and 17 down as the S&P 500 oscillated on rotation out of riskier hardware and software plays. The Magnificent 7 underperformed the broad market today (Mag 7 -1.9% for the group), with notable pressure on NVIDIA (NVDA) and Amazon (AMZN).
Market Condition Dashboard
US 10-Year Treasury Yield
Sell
5.19%
rising
Impact
Confidence
Crude Oil (WTI)
Caution
$99.04
+1.1% 1D
Impact
Confidence
VIX (Fear Index)
Normal Range
20.0
+21.4% 1D
Impact
Confidence
200-Day Moving Average
Bullish Trend Intact
0/3 below
SPY above (+5.5%), QQQ above (+5.3%), DIA above (+3.3%)
Impact
Confidence
CNN Fear & Greed Index
Buy-Prep Signal Active
18
Extreme Fear (-14)
Impact
Confidence
Tracked Stocks Breadth (50DMA)
Strong Cash-Deploy Signal
33%
28 of 86 above 50DMA · -24.4pp 5D
Impact
Confidence
Put/Call Ratio (5D)
Caution
0.82
Call-Heavy · rising
Impact
Confidence
Signal analysis only — not investment advice
Sector Heatmap (1D)
Defense & Aerospace+3.17%
Energy+2.52%
Utilities+1.83%
Materials+1.03%
Retail+0.97%
Telecom+0.65%
IT Services+0.64%
Food & Restaurant+0.43%
Finance+0.06%
Data Center REITs-0.09%
Industrial-0.12%
Hospitality & Travel-0.41%
Healthcare-0.43%
Logistics-0.52%
Biotech-0.55%
Analog & Embedded Chips-1.20%
Media & Entertainment-1.47%
AI Power & Grid-1.54%
Mag 7 (AI Spenders)-1.85%
EDA & Semiconductor IP-3.77%
Chip Equipment-3.91%
Enterprise Software-4.26%
Airlines-4.31%
Chip Supply Chain-4.61%
AI Networking & Interconnect-4.77%
Infrastructure-5.31%
Cybersecurity-6.86%
Memory & Storage-8.02%
≤-3%0≥+3%
Sector Performance (Base=100)
AI and Technology Sector Analysis
The AI/technology theme shows bifurcation: large-cap software and platform leaders remain the backbone of AI investment while the hardware supply chain is under stress. NVIDIA (NVDA) $214.13 is consolidating after recent gains, while Apple (AAPL) $343.46 and Microsoft (MSFT) $529.05 are providing defensive AI exposure amid volatility in chip-related segments. Memory & Storage weakness—exemplified by Seagate (STX) $639.01 and SK Hynix (HYNX) $15.03—highlights short-cycle inventory risk for AI capacity buildouts, and EDA & Semiconductor IP groups are trading lower as capital intensity signals tighten. Enterprise Software leaders like Palantir (PLTR) $186.03, which fell 7.2%, underscore that software multiples are sensitive to sentiment swings despite longer-term secular AI demand.
US Stock Sector Overview
Sector
1D
5D
20D
vs 50MA
Mag 7 (AI Spenders)
-1.9%
-3.5%
-2.3%
BELOW
Chip Supply Chain
-4.6%
-8.7%
-13.3%
BELOW
Memory & Storage
-8.0%
-16.6%
-29.0%
BELOW
EDA & Semiconductor IP
-3.8%
-9.5%
-2.7%
BELOW
Infrastructure
-5.3%
-17.0%
-15.4%
BELOW
AI Networking & Interconnect
-4.8%
-14.4%
-14.3%
BELOW
Enterprise Software
-4.3%
-2.1%
-1.8%
ABOVE
Finance
+0.1%
+0.1%
-5.8%
BELOW
Healthcare
-0.4%
+6.2%
+7.1%
ABOVE
Retail
+1.0%
+4.1%
+10.3%
ABOVE
IT Services
+0.6%
+5.0%
+11.8%
ABOVE
Airlines
-4.3%
-6.8%
-12.3%
BELOW
Hospitality & Travel
-0.4%
+4.1%
+5.1%
BELOW
Food & Restaurant
+0.4%
+4.4%
+0.4%
BELOW
Logistics
-0.5%
+1.3%
+1.1%
BELOW
Industrial
-0.1%
-3.9%
-4.1%
BELOW
Cybersecurity
-6.9%
-12.3%
-5.6%
BELOW
Chip Equipment
-3.9%
-12.9%
-9.6%
BELOW
Data Center REITs
-0.1%
-3.4%
-6.2%
BELOW
AI Power & Grid
-1.5%
-7.3%
-0.6%
BELOW
Utilities
+1.8%
+3.2%
+3.7%
ABOVE
Energy
+2.5%
+4.3%
+11.8%
ABOVE
Defense & Aerospace
+3.2%
+4.8%
+0.1%
BELOW
Telecom
+0.6%
+4.6%
-5.9%
BELOW
Media & Entertainment
-1.5%
+0.9%
+1.1%
BELOW
Biotech
-0.6%
+3.7%
+6.9%
ABOVE
Materials
+1.0%
+3.9%
+8.1%
ABOVE
Analog & Embedded Chips
-1.2%
-1.5%
+1.4%
ABOVE
Sector Strength
Defense & Aerospace+3.2%20d: +0.1%
RTX Corp (RTX) +3.7% (20d: -0.2%) [<50MA], Lockheed Martin (LMT) +3.7% (20d: +3.1%), General Dynamics (GD) +2.1% (20d: -2.7%) [<50MA]
Memory & Storage ended sharply lower, down 8.0% for the day and -29.0% over 20 days with the sector below its 50-day moving average by -10.1% 50d, signaling a clear downtrend across the 50-day window. Seagate (STX) traded down 7.5% to $639.01 as deal chatter and oversupply fears pressured HDD cyclical profiles, while SK Hynix (HYNX) plunged 13.3% to $15.03 on broader memory price concerns. The 50-day context shows sustained selling that has not found a technical floor, increasing the risk that near-term AI storage demand projections are being repriced.
Infrastructure—one of the week’s weakest groups—fell 5.3% today and is down 15.4% over 20 days with the sector below its 50-day moving average by -6.2% 50d, reflecting multi-week deterioration. Super Micro (SMCI) led the headlines, sliding 9.9% to $31.63 after management changes and cash-burn scrutiny, a move that reverberated through server and OEM suppliers. The 50-day trend shows an average of six consecutive down days noted in alerts, suggesting position trimming by institutional holders and heightened sensitivity to execution risk in capex-related names.
Enterprise Software moved lower, down 4.3% on the day but remains above its 50-day moving average by +5.3% 50d, indicating mixed technicals across the 50-day window. Palantir (PLTR) dropped 7.2% to $186.03 as its record breakout reversed, while broader software names like the ones cited in coverage (Okta, Datadog, Zscaler, Elastic) extended the sector pullback. The 50-day context implies rotation within software: durable AI revenue streams are favored, but high-valuation, momentum-driven names are correcting on any growth execution doubts.
Defense & Aerospace bucked the broader tech weakness, rising 3.2% on the day and showing resilience in the 50-day view despite a 10.4% 50d decline for the sector overall; top gainers include RTX Corp (RTX) up 3.7% to $193.92 and Lockheed Martin (LMT) up 3.7% to $552.09. The divergence between defense names and cyclicals suggests buyers are reallocating toward cash-flow-stable contractors amid macro-driven risk-off in tech hardware. Over the 50-day window the sector’s relative outperformance in recent sessions points to defensive positioning and bid interest around large-cap aerospace franchises.
Chip Supply Chain and Chip Equipment remain in the crosshairs, with Chip Supply Chain down 4.6% today and -13.3% over 20 days while Chip Equipment is off 3.9% today and down -15.3% over 50 days, both below their 50-day moving averages. The tier of suppliers tied to fab expansions is under pressure as capacity timing and order visibility deteriorate; that pressure is reflected in active HIGH alerts for these groups and an extended 50-day negative slope. Investors should treat pullbacks here as either tactical entry points for secular winners or signals to de-risk exposure to highly cyclical equipment orders depending on risk tolerance.
Market Breadth Analysis
US stock market breadth analysis shows 9 of 28 sectors trading above their 50-day moving average, while 19 are below. With the majority of sectors below the 50-day MA, medium-term momentum is deteriorating. The 20-day breadth shows 15 sectors in negative territory, pointing to widespread selling pressure.
Interactive Charts
S&P 500, NASDAQ 100 & Dow Jones (%)
Green shading marks breadth-below-50% regimes: 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.
50-Day Sector Performance
1-Day vs 5-Day Sector Change
Active Alerts
HIGHChip Supply Chain down -13.3% over 20 days
HIGHMemory & Storage down -29.0% over 20 days
HIGHInfrastructure down -15.4% over 20 days
HIGHAI Networking & Interconnect down -14.3% over 20 days
HIGHAirlines down -12.3% over 20 days
HIGHAI Networking & Interconnect down -32.6% over 50 days
HIGHAirlines down -21.7% over 50 days
HIGHChip Equipment down -15.3% over 50 days
HIGH10 sectors declining >5% over 20 days: Chip Supply Chain, Memory & Storage, Infrastructure, AI Networking & Interconnect, Finance, Airlines, Cybersecurity, Chip Equipment, Data Center REITs, Telecom
LOWMemory & Storage below 50-day MA with avg 5 consecutive down days
LOWInfrastructure below 50-day MA with avg 6 consecutive down days
LOWChip Equipment below 50-day MA with avg 8 consecutive down days
Stock-Level Detail
Mag 7 (AI Spenders)Show individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
AAPL
$343.46
+0.4%
+0.7%
+1.3%
+9.7%
ABOVE
0
NVDA
$214.13
-1.4%
-5.4%
-5.8%
-4.4%
BELOW
3
AMZN
$250.00
-1.9%
-3.7%
-3.3%
-8.9%
BELOW
1
MSFT
$529.05
-1.9%
-2.2%
+5.5%
+6.0%
ABOVE
1
TSLA
$354.72
-2.1%
-6.2%
-5.5%
+8.0%
BELOW
5
GOOG
$336.91
-2.3%
-3.5%
-4.0%
-4.7%
BELOW
1
META
$709.33
-3.7%
-4.5%
-4.3%
+19.8%
ABOVE
3
Chip Supply ChainShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
TSM
$412.61
-2.3%
-7.1%
-7.3%
-1.8%
BELOW
3
QCOM
$172.11
-3.5%
-1.3%
-11.4%
+2.5%
BELOW
1
AVGO
$328.75
-4.5%
-7.3%
-9.4%
-23.1%
BELOW
3
MRVL
$227.83
-5.6%
-14.3%
-11.5%
+4.2%
BELOW
3
INTC
$89.85
-5.8%
-11.3%
-26.2%
-11.6%
BELOW
3
AMD
$528.75
-6.0%
-11.0%
-14.1%
+9.4%
BELOW
3
Memory & StorageShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
MU
$878.84
-5.6%
-11.1%
-15.8%
+0.1%
BELOW
1
SNDK
$1299.30
-6.8%
-12.6%
-26.5%
+7.2%
BELOW
7
WDC
$332.00
-6.9%
-14.2%
-25.9%
-23.6%
BELOW
5
STX
$639.01
-7.5%
-15.2%
-27.1%
-21.4%
BELOW
5
HYNX
$15.03
-13.3%
-29.9%
-49.8%
-12.9%
BELOW
9
EDA & Semiconductor IPShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
CDNS
$319.51
-1.5%
-8.3%
+8.3%
-5.8%
BELOW
5
SNPS
$454.63
-2.9%
-9.5%
+13.1%
+9.3%
ABOVE
5
ARM
$227.80
-6.9%
-10.8%
-29.5%
-19.4%
BELOW
1
InfrastructureShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
CSCO
$107.39
-2.2%
-6.9%
-3.7%
-11.6%
BELOW
5
VRT
$206.42
-3.9%
-13.8%
-17.7%
-24.2%
BELOW
9
DELL
$451.71
-4.6%
-21.7%
-21.5%
-0.5%
BELOW
5
HPE
$55.13
-6.0%
-21.6%
-10.7%
+3.6%
BELOW
5
SMCI
$31.63
-9.9%
-20.9%
-23.2%
+1.6%
BELOW
7
AI Networking & InterconnectShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
APH
$79.35
-2.6%
-7.9%
-1.5%
-53.1%
BELOW
5
ANET
$176.98
-4.6%
-16.1%
-13.8%
-6.2%
BELOW
5
COHR
$232.90
-7.1%
-19.1%
-27.6%
-38.6%
BELOW
3
Enterprise SoftwareShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
CRM
$240.70
-2.4%
+2.9%
+1.8%
+24.9%
ABOVE
1
ADBE
$245.20
-2.6%
+3.0%
-1.7%
-7.5%
BELOW
1
NOW
$141.97
-4.4%
+1.2%
+3.1%
+13.7%
ABOVE
1
ORCL
$128.23
-4.6%
-6.7%
-13.7%
-12.8%
BELOW
1
PLTR
$186.03
-7.2%
-11.0%
+1.6%
+8.2%
ABOVE
5
FinanceShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
JPM
$339.72
+1.2%
+1.6%
-3.5%
-5.0%
BELOW
0
GS
$881.26
-1.1%
-1.4%
-8.1%
-15.2%
BELOW
1
HealthcareShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
LLY
$1257.03
+0.4%
+6.3%
+7.9%
+6.2%
ABOVE
0
UNH
$401.43
-1.3%
+6.1%
+6.3%
-1.4%
ABOVE
1
RetailShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
COST
$989.11
+1.1%
+3.1%
+10.1%
+4.4%
ABOVE
0
WMT
$118.81
+0.8%
+5.1%
+10.6%
+6.5%
ABOVE
0
IT ServicesShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
ACN
$229.68
+2.1%
+7.8%
+23.4%
+30.7%
ABOVE
0
IBM
$232.14
-0.8%
+2.3%
+0.1%
-1.5%
ABOVE
1
AirlinesShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
DAL
$75.37
-3.5%
-5.7%
-8.6%
-17.5%
BELOW
1
UAL
$96.10
-5.1%
-8.0%
-16.0%
-25.8%
BELOW
1
Hospitality & TravelShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
MAR
$388.05
+0.6%
+5.1%
+13.2%
+9.9%
ABOVE
0
BKNG
$163.45
-1.4%
+3.2%
-3.0%
-23.8%
BELOW
1
Food & RestaurantShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
SBUX
$97.52
+0.7%
+5.7%
+2.8%
-7.1%
BELOW
0
MCD
$242.97
+0.2%
+3.1%
-2.0%
-11.5%
BELOW
0
LogisticsShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
UPS
$97.48
-0.4%
+2.2%
+2.9%
-5.2%
BELOW
1
FDX
$293.55
-0.7%
+0.5%
-0.8%
-7.9%
BELOW
1
IndustrialShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
HON
$211.41
+0.4%
+0.8%
+2.4%
-13.9%
BELOW
0
CAT
$730.76
-0.7%
-8.6%
-10.5%
-13.2%
BELOW
5
CybersecurityShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
ZS
$207.38
-5.9%
-8.1%
+0.1%
+22.9%
ABOVE
3
CRWD
$227.39
-7.0%
-13.5%
-8.8%
+6.0%
BELOW
5
PANW
$342.00
-7.6%
-15.3%
-8.0%
-6.0%
BELOW
5
Chip EquipmentShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
ASML
$1641.52
-1.0%
-6.2%
-4.1%
-5.7%
BELOW
1
AMAT
$409.29
-4.8%
-17.7%
-11.8%
-24.0%
BELOW
9
LRCX
$263.94
-4.9%
-14.7%
-12.6%
-15.2%
BELOW
10
KLAC
$165.74
-5.0%
-12.8%
-9.9%
-16.2%
BELOW
10
Data Center REITsShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
DLR
$175.97
+0.9%
-2.3%
-5.6%
-9.2%
BELOW
0
EQIX
$985.98
-1.0%
-4.5%
-6.7%
-5.0%
BELOW
1
AI Power & GridShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
GEV
$921.20
-0.6%
-7.6%
-2.6%
-7.0%
BELOW
3
CEG
$271.37
-1.3%
-7.7%
+3.5%
+0.7%
BELOW
3
VST
$152.02
-1.4%
-3.9%
+8.0%
+8.1%
ABOVE
1
PWR
$631.86
-1.6%
-9.1%
-1.7%
-6.0%
BELOW
5
ETN
$391.25
-2.8%
-8.3%
-10.1%
-12.8%
BELOW
3
UtilitiesShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
SO
$91.18
+2.2%
+4.8%
+6.7%
-0.8%
ABOVE
0
DUK
$121.47
+2.2%
+3.2%
+4.1%
-1.9%
ABOVE
0
NEE
$79.80
+1.1%
+1.6%
+0.2%
-5.7%
BELOW
0
EnergyShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
CVX
$224.99
+2.6%
+4.6%
+10.5%
+21.7%
ABOVE
0
XOM
$178.98
+2.5%
+4.0%
+13.1%
+17.7%
ABOVE
0
Defense & AerospaceShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
RTX
$193.92
+3.7%
+3.9%
-0.2%
-12.8%
BELOW
0
LMT
$552.09
+3.7%
+7.9%
+3.1%
-6.1%
ABOVE
0
GD
$344.23
+2.1%
+2.6%
-2.7%
-12.2%
BELOW
0
TelecomShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
TMUS
$159.10
+1.3%
+4.8%
-3.7%
-10.2%
BELOW
0
VZ
$44.79
+0.9%
+4.7%
-6.1%
-4.8%
BELOW
0
T
$23.44
-0.3%
+4.2%
-7.9%
-1.5%
BELOW
1
Media & EntertainmentShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
DIS
$110.59
-0.1%
+1.9%
+6.1%
+5.4%
ABOVE
1
NFLX
$70.53
-2.9%
-0.1%
-3.9%
-4.9%
BELOW
1
BiotechShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
AMGN
$432.49
-0.4%
+3.6%
+10.0%
+5.9%
ABOVE
1
GILD
$156.19
-0.7%
+3.8%
+3.7%
+17.3%
ABOVE
1
MaterialsShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
LIN
$498.43
+1.1%
+2.3%
+8.9%
+1.7%
ABOVE
0
APD
$299.59
+1.0%
+5.5%
+7.2%
-1.3%
ABOVE
0
Analog & Embedded ChipsShow individual tickers
Ticker
Price
1D
5D
20D
50D
vs 50MA
Down Days
MCHP
$73.85
-0.6%
+0.0%
-1.2%
-12.3%
BELOW
1
TXN
$276.48
-0.9%
-1.9%
+2.1%
-3.4%
ABOVE
3
ADI
$395.44
-2.1%
-2.7%
+3.2%
+1.4%
ABOVE
1
Key Stock Movers
Today's biggest movers by absolute percentage change: SK Hynix (HYNX) (Memory & Storage) fell 13.3% to $15.03. Super Micro (SMCI) (Infrastructure) fell 9.9% to $31.63. Palo Alto Networks (PANW) (Cybersecurity) fell 7.6% to $342.00. Seagate (STX) (Memory & Storage) fell 7.5% to $639.01. Palantir (PLTR) (Enterprise Software) fell 7.2% to $186.03. These individual stock movements were key drivers of their respective sector performance.
Risk and Opportunity Assessment
On the risk side, 10 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
Market breadth is tilted negative with 9 sectors above the 50-day moving average and 19 below, and active HIGH alerts flagging acute stress in Memory & Storage, Chip Supply Chain, Infrastructure and AI Networking & Interconnect. Ten sectors are down more than 5% over 20 days and seven sectors are down more than 10% over 50 days, underscoring the rotation away from capital-goods and short-cycle semiconductor exposure. Positioning guidance: favor quality large-cap AI/enterprise exposures that remain above the 50-day trend (for example Apple and Microsoft) and selectively add to defense and energy cyclicals showing positive 50-day momentum, while trimming or hedging positions in Memory & Storage, Infrastructure and chip-equipment-linked names until base formation is visible.