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US Stock Market Sector Analysis – Thursday, December 18, 2025 Sectors: MIXED

Markets responded to a string of company-specific catalysts today as Lam Research (LRCX) jumped 6.3% after renewed bullish commentary and coverage, while Dell (DELL) slipped 3.9% despite a strategic acquisition of AI data startup Dataloop. Palantir (PLTR) rallied 4.7% on a partnership tied to AIG's GenAI plans and positive headlines, and Starbucks (SBUX) rose 4.9% amid M&A chatter around a supplier. The US stock market was broadly mixed: 10 sectors higher, 8 lower, 6 flat, and the S&P 500 held steady as the Magnificent 7 collectively gained 2.0% for the AI spenders cohort, led by Tesla (TSLA) up 3.4% and Alphabet (GOOG) up 1.9% while NVIDIA (NVDA) and Microsoft (MSFT) remain below their 50-day averages.

Market Condition Dashboard

US 10-Year Treasury Yield
Wait & Watch
4.12%
stable
Impact
Confidence
Crude Oil (WTI)
Neutral
$56.15
+0.4% 1D
Impact
Confidence
VIX (Fear Index)
Normal Range
16.9
-4.3% 1D
Impact
Confidence
200-Day Moving Average
Bullish Trend Intact
0/3 below
SPY above (+9.1%), QQQ above (+10.4%), DIA above (+9.1%)
Impact
Confidence
Tracked Stocks Breadth (50DMA)
Healthy Uptrend
53%
36 of 68 above 50DMA · -10.3pp 5D
Impact
Confidence
Put/Call Ratio (5D)
Contrarian Sell Signal
0.67
Too Optimistic · stable
Impact
Confidence

Signal analysis only — not investment advice

Sector Heatmap (1D)

Memory & Storage +6.69%
Chip Equipment +3.68%
AI Power & Grid +3.12%
Food & Restaurant +2.62%
AI Networking & Interconnect +2.46%
Mag 7 (AI Spenders) +1.97%
Chip Supply Chain +1.76%
Cybersecurity +1.64%
Airlines +1.48%
Logistics +1.42%
Analog & Embedded Chips +0.84%
Enterprise Software +0.80%
Utilities +0.34%
EDA & Semiconductor IP +0.28%
Healthcare +0.20%
Media & Entertainment +0.14%
Defense & Aerospace -0.03%
Finance -0.09%
Industrial -0.10%
Biotech -0.20%
Infrastructure -0.31%
Telecom -0.37%
Data Center REITs -0.41%
Hospitality & Travel -0.48%
Retail -0.65%
Materials -0.93%
Energy -0.98%
IT Services -1.16%
≤-3%0≥+3%

Sector Performance (Base=100)

AI and Technology Sector Analysis

The AI investment theme remains the market's structural driver as chip equipment strength and strategic software partnerships dominated flows today. Lam Research (LRCX) at $164.39 (+6.3%) highlights continued appetite into the chip equipment 50-day backdrop, while Palantir (PLTR) at $185.69 (+4.7%) underscores investor interest in enterprise GenAI deployments. NVIDIA (NVDA) at $173.93 and Microsoft (MSFT) at $481.83 both trade below their 50-day moving averages, signaling near-term mean-reversion risk in Mag 7 positioning even as chip supply chain and infrastructure spending underpin longer-term capacity investments.

US Stock Sector Overview

Sector 1D 5D 20D vs 50MA
Mag 7 (AI Spenders) +2.0% +0.7% +6.3% ABOVE
Chip Supply Chain +1.8% -3.6% +3.9% BELOW
Memory & Storage +6.7% +2.6% +20.4% ABOVE
EDA & Semiconductor IP +0.3% -4.9% +2.9% BELOW
Infrastructure -0.3% -3.9% +3.2% BELOW
AI Networking & Interconnect +2.5% -0.4% +11.1% BELOW
Enterprise Software +0.8% -3.4% +5.8% ABOVE
Finance -0.1% -1.5% +9.4% ABOVE
Healthcare +0.2% -0.6% +3.7% BELOW
Retail -0.7% -2.3% +1.7% BELOW
IT Services -1.2% -1.7% +7.8% ABOVE
Airlines +1.5% +3.1% +25.3% ABOVE
Hospitality & Travel -0.5% +1.8% +12.8% ABOVE
Food & Restaurant +2.6% +2.8% +7.0% ABOVE
Logistics +1.4% +1.3% +11.0% ABOVE
Industrial -0.1% -1.5% +4.4% ABOVE
Cybersecurity +1.6% -3.6% -7.2% BELOW
Chip Equipment +3.7% -0.3% +12.5% ABOVE
Data Center REITs -0.4% -1.9% -3.3% BELOW
AI Power & Grid +3.1% -2.6% +1.8% BELOW
Utilities +0.3% +1.4% -3.0% BELOW
Energy -1.0% -1.7% -1.1% BELOW
Defense & Aerospace -0.0% -0.8% +1.4% BELOW
Telecom -0.4% +0.0% -3.4% BELOW
Media & Entertainment +0.1% -0.2% -0.7% BELOW
Biotech -0.2% +1.8% -2.5% ABOVE
Materials -0.9% +0.5% +0.0% BELOW
Analog & Embedded Chips +0.8% -2.7% +23.1% ABOVE

Sector Strength

Memory & Storage +6.7% 20d: +20.4%
Micron (MU) +10.2% (20d: +23.4%), Sandisk (SNDK) +6.1% (20d: +12.0%), Western Digital (WDC) +5.3% (20d: +24.9%)
Chip Equipment +3.7% 20d: +12.5%
Lam Research (LRCX) +6.3% (20d: +18.2%), KLA (KLAC) +4.3% (20d: +10.9%), Applied Materials (AMAT) +2.1% (20d: +15.1%)
AI Power & Grid +3.1% 20d: +1.8%
Constellation Energy (CEG) +5.9% (20d: +4.4%) [<50MA], GE Vernova (GEV) +4.1% (20d: +14.6%), Vistra (VST) +3.9% (20d: -4.4%) [<50MA]
Food & Restaurant +2.6% 20d: +7.0%
Starbucks (SBUX) +4.9% (20d: +8.2%), McDonald's (MCD) +0.3% (20d: +5.7%)
AI Networking & Interconnect +2.5% 20d: +11.1%
Coherent (COHR) +3.1% (20d: +29.6%), Amphenol (APH) +2.5% (20d: -0.4%) [<50MA], Arista Networks (ANET) +1.8% (20d: +4.2%) [<50MA]

Sector Warnings

IT Services -1.2% 20d: +7.8%
Accenture (ACN) -1.4% (20d: +12.1%), International Business Machines (IBM) -0.9% (20d: +3.5%)
Energy -1.0% 20d: -1.1%
Chevron (CVX) -1.2% (20d: -1.7%) [<50MA], Exxon Mobil (XOM) -0.7% (20d: -0.4%)
Materials -0.9% 20d: +0.0%
Air Products (APD) -1.1% (20d: -2.9%) [<50MA], Linde (LIN) -0.8% (20d: +2.9%) [<50MA]
Retail -0.7% 20d: +1.7%
Walmart (WMT) -0.7% (20d: +7.4%), Costco (COST) -0.6% (20d: -4.0%) [<50MA]
Hospitality & Travel -0.5% 20d: +12.8%
Marriott (MAR) -1.0% (20d: +8.7%), Booking (BKNG) +0.1% (20d: +16.9%)

Sector Deep Dive

Chip Equipment: Lam Research (LRCX) led the group, trading at $164.39 and rising 6.3% on positive coverage and renewed AI demand narratives. The Chip Equipment sector is up 3.5% for the day and sits ABOVE its 50-day average with a 50-day change of +12.7%, confirming a constructive 50-day trend; investors are pricing continued tool upgrades as data center and AI projects accelerate.

Enterprise Software: Palantir (PLTR) popped to $185.69 (+4.7%) after announcements tied to AIG collaboration on GenAI, yet the Enterprise Software sector shows a mixed 50-day picture: the sector is +0.8% today and sits ABOVE its 50-day average despite a 50-day change of -2.2%, reflecting short-term dispersion between names like PLTR and laggards such as ServiceNow (NOW) at $153.38 (-2.0%).

Infrastructure & Data Center: Infrastructure struggles remain a red flag as the sector is -0.3% today and well BELOW its 50-day average with a -15.5% 50-day change; that high alert is echoed by Data Center REITs, also BELOW their 50-day with -11.1%. Dell (DELL) traded at $122.03 and declined 3.9% despite acquiring Dataloop, illustrating how deal activity isn't yet arresting the broader 50-day downtrend across infrastructure.

Food & Restaurants / Consumer: Starbucks (SBUX) rallied to $88.33 (+4.9%) on supplier sale rumors while Chipotle (CMG) headlines around a high-protein menu supported the Food & Restaurant sector's strength; the sector is +2.6% today and sits ABOVE its 50-day average with an 11.2% 50-day change, signaling resilient consumer demand and defensive leadership within the S&P 500.

Chip Supply Chain & Semi-Related: Marvell (MRVL) at $84.35 gained 3.4% and the broader Chip Supply Chain is +1.4% today but remains BELOW its 50-day average with a -8.8% 50-day change, showing divergence between individual stock-level pops and an overall 50-day downward pressure as some suppliers lag the headline tool and fab-equipment strength.

Market Breadth Analysis

US stock market breadth analysis shows 13 of 28 sectors trading above their 50-day moving average, while 15 are below. With the majority of sectors below the 50-day MA, medium-term momentum is deteriorating. The 20-day breadth shows 7 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

HIGH EDA & Semiconductor IP down -16.2% over 50 days
HIGH Infrastructure down -15.5% over 50 days
HIGH Cybersecurity down -15.5% over 50 days
HIGH 5 sectors declining >10% over 50 days: EDA & Semiconductor IP, Infrastructure, Cybersecurity, Data Center REITs, Media & Entertainment

Stock-Level Detail

Mag 7 (AI Spenders) Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
TSLA $483.37 +3.4% +5.3% +22.3% +11.0% ABOVE 0
AMZN $226.76 +2.5% +0.3% +4.4% -0.4% BELOW 0
META $663.27 +2.3% +3.2% +12.9% -9.3% ABOVE 0
GOOG $303.35 +1.9% -2.2% +4.8% +25.5% ABOVE 0
NVDA $173.93 +1.9% -0.5% -3.6% -9.6% BELOW 0
MSFT $480.93 +1.7% +1.1% +1.2% -7.2% BELOW 0
AAPL $271.45 +0.1% -2.2% +2.2% +7.2% ABOVE 0
Chip Supply Chain Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
MRVL $84.35 +3.4% +0.0% +10.2% -6.8% BELOW 0
TSM $283.22 +2.8% -2.5% +2.9% -4.8% BELOW 0
AMD $201.06 +1.5% -4.6% -2.4% -13.7% BELOW 0
AVGO $328.04 +1.2% -8.3% -4.9% -4.4% BELOW 0
QCOM $172.44 +1.1% -2.3% +9.7% +5.7% ABOVE 0
INTC $36.28 +0.6% -4.0% +7.9% -4.0% BELOW 0
Memory & Storage Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
MU $248.31 +10.2% +3.1% +23.4% +29.2% ABOVE 0
SNDK $219.46 +6.1% +6.4% +12.0% +69.2% ABOVE 0
WDC $174.88 +5.3% -0.8% +24.9% +46.3% ABOVE 0
STX $290.52 +5.2% +1.5% +21.4% +31.7% ABOVE 0
EDA & Semiconductor IP Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
SNPS $458.13 +1.1% +1.1% +18.8% -5.4% ABOVE 0
CDNS $315.10 +0.7% -2.5% +4.3% -9.6% BELOW 0
ARM $113.51 -0.9% -13.3% -14.4% -33.5% BELOW 7
Infrastructure Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
VRT $154.32 +3.0% -4.3% -3.2% -8.5% BELOW 0
CSCO $75.84 +1.2% -1.1% +2.0% +10.0% ABOVE 0
HPE $23.56 -0.4% +0.2% +19.5% -8.9% ABOVE 2
SMCI $29.37 -1.6% -9.2% -6.9% -49.3% BELOW 2
DELL $121.83 -3.9% -5.4% +4.7% -20.9% BELOW 2
AI Networking & Interconnect Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
COHR $175.71 +3.1% -1.5% +29.6% +43.6% ABOVE 0
APH $129.16 +2.5% +0.5% -0.4% +2.9% BELOW 0
ANET $124.62 +1.8% -0.1% +4.2% -21.2% BELOW 0
Enterprise Software Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
PLTR $185.69 +4.7% +1.2% +19.2% +0.1% ABOVE 0
ORCL $178.31 +0.9% -5.2% -14.6% -39.4% BELOW 0
ADBE $355.81 +0.3% -0.2% +13.9% +2.4% ABOVE 0
CRM $256.54 +0.0% -1.5% +14.6% +5.3% ABOVE 0
NOW $153.38 -2.0% -11.3% -4.2% -16.5% BELOW 1
Finance Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
GS $867.89 +0.5% -1.3% +13.8% +12.9% ABOVE 0
JPM $308.62 -0.6% -1.7% +4.9% +2.4% ABOVE 3
Healthcare Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
LLY $1051.80 +1.4% +2.9% +1.3% +23.7% ABOVE 0
UNH $323.76 -1.1% -4.0% +6.0% -10.2% BELOW 4
Retail Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
COST $853.82 -0.6% -3.0% -4.0% -8.9% BELOW 1
WMT $114.10 -0.7% -1.6% +7.4% +13.1% ABOVE 1
IT Services Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
IBM $294.45 -0.9% -2.8% +3.5% +4.8% ABOVE 1
ACN $264.51 -1.4% -0.6% +12.1% +7.1% ABOVE 1
Airlines Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
UAL $112.85 +2.3% +5.6% +25.3% +11.4% ABOVE 0
DAL $69.60 +0.6% +0.5% +25.3% +18.1% ABOVE 0
Hospitality & Travel Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
BKNG $212.80 +0.1% +0.8% +16.9% +3.2% ABOVE 0
MAR $305.01 -1.0% +2.7% +8.7% +15.6% ABOVE 1
Food & Restaurant Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
SBUX $87.82 +4.9% +4.8% +8.2% +12.9% ABOVE 0
MCD $315.73 +0.3% +0.9% +5.7% +9.4% ABOVE 0
Logistics Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
FDX $229.57 +1.7% +1.5% +9.7% +21.8% ABOVE 0
UPS $97.45 +1.1% +1.1% +12.3% +21.8% ABOVE 0
Industrial Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
CAT $562.39 +0.7% -5.4% +3.6% +13.4% ABOVE 0
HON $204.97 -0.9% +2.3% +5.3% +3.5% ABOVE 1
Cybersecurity Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
ZS $231.09 +2.1% -2.2% -17.4% -26.7% BELOW 0
CRWD $119.32 +1.5% -5.5% -4.8% -6.3% BELOW 0
PANW $185.88 +1.3% -3.0% +0.4% -13.6% BELOW 0
Chip Equipment Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
LRCX $164.39 +6.3% +2.6% +18.2% +17.0% ABOVE 0
KLAC $121.79 +4.3% +2.4% +10.9% +16.2% ABOVE 0
AMAT $252.60 +2.1% -2.2% +15.1% +15.3% ABOVE 0
ASML $1031.36 +2.1% -4.1% +5.6% +5.9% BELOW 0
Data Center REITs Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
DLR $145.96 -0.3% -2.9% -5.4% -14.9% BELOW 3
EQIX $732.90 -0.5% -0.8% -1.2% -7.4% BELOW 3
AI Power & Grid Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
CEG $359.45 +5.9% +2.6% +4.4% -5.7% BELOW 0
GEV $638.25 +4.1% -4.8% +14.6% +0.9% ABOVE 0
VST $165.48 +3.9% -2.3% -4.4% -20.9% BELOW 0
PWR $421.05 +1.7% -3.8% -2.0% -2.0% BELOW 0
ETN $313.33 +0.0% -4.8% -3.7% -16.0% BELOW 0
Utilities Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
NEE $79.72 +0.7% -1.0% -3.4% -2.8% BELOW 0
SO $85.13 +0.2% +3.3% -1.5% -8.5% BELOW 0
DUK $114.55 +0.1% +2.0% -4.1% -4.9% BELOW 0
Energy Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
XOM $114.25 -0.7% -1.9% -0.4% +4.1% ABOVE 1
CVX $143.68 -1.2% -1.5% -1.7% -1.5% BELOW 1
Defense & Aerospace Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
RTX $176.38 +0.6% -0.2% +3.6% +10.4% ABOVE 0
GD $332.95 +0.3% -0.0% -0.6% -1.2% BELOW 0
LMT $464.63 -1.0% -2.1% +1.2% -6.7% BELOW 3
Telecom Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
TMUS $198.24 +0.4% +2.6% -4.4% -11.0% BELOW 0
T $23.42 -0.4% -1.3% -4.9% -6.0% BELOW 1
VZ $38.48 -1.1% -1.2% -0.9% +0.7% ABOVE 1
Media & Entertainment Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
DIS $111.02 +1.1% +0.9% +9.7% +1.5% ABOVE 0
NFLX $94.00 -0.8% -1.3% -11.0% -23.6% BELOW 1
Biotech Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
GILD $120.00 +0.1% +1.6% -2.2% +4.7% ABOVE 0
AMGN $317.91 -0.5% +2.1% -2.8% +10.6% ABOVE 2
Materials Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
LIN $416.27 -0.8% +0.7% +2.9% -8.2% BELOW 2
APD $238.99 -1.1% +0.3% -2.9% -7.2% BELOW 1
Analog & Embedded Chips Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
ADI $273.31 +1.4% -1.6% +22.5% +16.0% ABOVE 0
TXN $173.28 +1.0% -1.8% +14.9% -0.7% ABOVE 0
MCHP $62.99 +0.1% -4.6% +31.9% -1.9% ABOVE 0

Key Stock Movers

Today's biggest movers by absolute percentage change: Micron (MU) (Memory & Storage) rose 10.2% to $248.31. Lam Research (LRCX) (Chip Equipment) rose 6.3% to $164.39. Sandisk (SNDK) (Memory & Storage) rose 6.1% to $219.46. Constellation Energy (CEG) (AI Power & Grid) rose 5.9% to $359.45. Western Digital (WDC) (Memory & Storage) rose 5.3% to $174.88. These individual stock movements were key drivers of their respective sector performance.

Risk and Opportunity Assessment

On the risk side, 4 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 respect the mixed breadth backdrop: 12 sectors above their 50MA and 12 below, with four sectors on high alert for >10% 50-day declines (Infrastructure, Cybersecurity, Data Center REITs, Media & Entertainment). Active alert counts remain elevated for cyclically sensitive and tech-adjacent areas even as chip equipment and select enterprise software names show 50-day resilience. Tactical longs in high-conviction AI supply-chain names should be paired with strict stop discipline, while risk-averse portfolios should lean to sectors above their 50-day trend and reduce exposure to the flagged 50-day decliners.

Hypothetical Portfolio

SIMULATION
Value $97,982
P&L -2.02%
Today +0.64%
View full portfolio → Simulation only. Not investment advice.
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