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US Stock Market Sector Analysis – Tuesday, September 23, 2025 Sectors: MIXED

Vertiv Holdings (VRT) led headlines today after a steep 6.2% decline as company-specific weakness outpaced the broader tape, setting the tone for a choppy session across industrials and infrastructure. The US stock market saw a mixed breadth profile with 9 sectors advancing, 7 declining and 8 flat, while 13 sectors remain above their 50-day moving averages and 11 below. The Mag 7 theme softened, with the Mag 7 (AI Spenders) group down 1.6% on the day as NVIDIA (NVDA) and Amazon (AMZN) pulled the cohort lower; chip supply chain names like TSMC (TSM) bucked the trend, rallying 3.7%. Macro- and AI-driven headlines — including OpenAI's expansion plans and coverage on data-center winners — dominated sector rotations and intraday flows in the S&P 500.

Market Condition Dashboard

US 10-Year Treasury Yield
Wait & Watch
4.12%
falling
Impact
Confidence
Crude Oil (WTI)
Neutral
$63.41
+1.2% 1D
Impact
Confidence
VIX (Fear Index)
Normal Range
16.6
+3.4% 1D
Impact
Confidence
200-Day Moving Average
Bullish Trend Intact
0/3 below
SPY above (+11.4%), QQQ above (+14.3%), DIA above (+7.8%)
Impact
Confidence
Tracked Stocks Breadth (50DMA)
Pause Discretionary Adds
66%
45 of 68 above 50DMA · +10.3pp 5D
Impact
Confidence
Put/Call Ratio (5D)
Contrarian Sell Signal
0.59
Too Optimistic · stable
Impact
Confidence

Signal analysis only — not investment advice

Sector Heatmap (1D)

Energy +1.30%
Biotech +0.99%
Utilities +0.90%
Logistics +0.88%
Chip Supply Chain +0.86%
Defense & Aerospace +0.72%
Memory & Storage +0.51%
Healthcare +0.41%
Telecom +0.28%
Food & Restaurant +0.27%
Data Center REITs +0.16%
Chip Equipment +0.14%
Finance +0.10%
Hospitality & Travel +0.05%
Analog & Embedded Chips +0.02%
Industrial -0.01%
Retail -0.13%
Airlines -0.14%
Media & Entertainment -0.50%
IT Services -0.78%
AI Networking & Interconnect -1.38%
Enterprise Software -1.48%
Mag 7 (AI Spenders) -1.56%
Cybersecurity -1.66%
Materials -1.67%
Infrastructure -1.81%
EDA & Semiconductor IP -3.02%
AI Power & Grid -3.04%
≤-3%0≥+3%

Sector Performance (Base=100)

AI and Technology Sector Analysis

AI investment momentum cooled today as the Mag 7 (AI Spenders) group slipped 1.6%, led by NVIDIA (NVDA) $178.20 and Amazon (AMZN) $220.71, reflecting profit-taking after recent gains. Strength in the Chip Supply Chain, exemplified by TSMC (TSM) $280.50 and Intel (INTC) $29.34, underscores ongoing hardware demand tied to model training capacity and the wider infrastructure buildout. Enterprise Software interest remains selective: Palantir (PLTR) $182.55 outperformed within its group, arguing that software and services will capture incremental AI spending even as raw compute names reprice.

US Stock Sector Overview

Sector 1D 5D 20D vs 50MA
Mag 7 (AI Spenders) -1.6% +0.7% +7.1% ABOVE
Chip Supply Chain +0.9% +5.4% +9.6% ABOVE
Memory & Storage +0.5% +8.3% +61.0% ABOVE
EDA & Semiconductor IP -3.0% +4.2% -3.6% BELOW
Infrastructure -1.8% +2.4% +5.8% ABOVE
AI Networking & Interconnect -1.4% +4.2% +13.6% ABOVE
Enterprise Software -1.5% +2.2% +11.4% ABOVE
Finance +0.1% +0.9% +6.5% ABOVE
Healthcare +0.4% +0.0% +9.0% ABOVE
Retail -0.1% -1.8% +3.5% BELOW
IT Services -0.8% +1.4% +2.2% BELOW
Airlines -0.1% -0.7% -2.0% ABOVE
Hospitality & Travel +0.0% -0.4% -2.8% BELOW
Food & Restaurant +0.3% +1.2% -1.8% BELOW
Logistics +0.9% +1.9% -0.9% BELOW
Industrial -0.0% +1.7% +1.7% BELOW
Cybersecurity -1.7% +4.1% +11.4% ABOVE
Chip Equipment +0.1% +9.9% +24.1% ABOVE
Data Center REITs +0.2% +2.4% +3.6% ABOVE
AI Power & Grid -3.0% +2.2% +3.7% ABOVE
Utilities +0.9% +2.3% -0.7% ABOVE
Energy +1.3% -1.4% +1.1% ABOVE
Defense & Aerospace +0.7% +1.2% +2.9% ABOVE
Telecom +0.3% -1.5% -1.6% BELOW
Media & Entertainment -0.5% -2.1% -2.6% BELOW
Biotech +1.0% +3.2% -0.3% BELOW
Materials -1.7% -2.4% -3.0% BELOW
Analog & Embedded Chips +0.0% -0.2% -6.3% BELOW

Sector Strength

Energy +1.3% 20d: +1.1%
Exxon Mobil (XOM) +1.7% (20d: +2.2%), Chevron (CVX) +0.9% (20d: +0.0%)
Biotech +1.0% 20d: -0.3%
Gilead (GILD) +1.7% (20d: +0.4%), Amgen (AMGN) +0.3% (20d: -1.0%) [<50MA]
Utilities +0.9% 20d: -0.7%
Southern Co (SO) +1.5% (20d: +0.7%), Duke Energy (DUK) +1.3% (20d: -0.1%), NextEra Energy (NEE) -0.0% (20d: -2.6%) [<50MA]
Logistics +0.9% 20d: -0.9%
FedEx (FDX) +1.6% (20d: +1.8%), United Parcel Service (UPS) +0.2% (20d: -3.5%) [<50MA]
Chip Supply Chain +0.9% 20d: +9.6%
TSMC (TSM) +3.7% (20d: +18.8%), Intel (INTC) +2.0% (20d: +20.5%), Advanced Micro Devices (AMD) +0.7% (20d: -3.4%) [<50MA]

Sector Warnings

AI Power & Grid -3.0% 20d: +3.7%
Vistra (VST) -6.3% (20d: +4.8%), Constellation Energy (CEG) -3.0% (20d: +6.3%), Eaton (ETN) -2.6% (20d: +4.7%)
EDA & Semiconductor IP -3.0% 20d: -3.6%
Synopsys (SNPS) -4.8% (20d: -17.7%) [<50MA], ARM Holdings (ARM) -2.4% (20d: +0.5%) [<50MA], Cadence Design Systems (CDNS) -1.9% (20d: +6.5%)
Infrastructure -1.8% 20d: +5.8%
Vertiv (VRT) -6.2% (20d: +11.5%), Hewlett Packard Enterprise (HPE) -1.8% (20d: +10.4%), Dell (DELL) -1.0% (20d: +2.6%)
Materials -1.7% 20d: -3.0%
Air Products (APD) -3.8% (20d: -5.9%) [<50MA], Linde (LIN) +0.5% (20d: -0.1%)
Cybersecurity -1.7% 20d: +11.4%
Palo Alto Networks (PANW) -2.4% (20d: +10.3%), CrowdStrike (CRWD) -1.8% (20d: +15.9%), Zscaler (ZS) -0.8% (20d: +8.1%)

Sector Deep Dive

Chip Supply Chain delivered a standout session with the group up 0.4% as investors favored capacity plays. Taiwan Semiconductor (TSMC) $280.50 led gains with a 3.7% jump; its 50-day trend remains firmly ABOVE, supporting the narrative of durable foundry demand. Intel (INTC) $29.34 added 2.0% and shows a positive 50-day posture ABOVE, indicating improving investor confidence in capital expenditure cycles. Conversely ARM Holdings (ARM) $140.99 lagged, down 2.4%, suggesting intra-group dispersion as investors distinguish between capacity beneficiaries and IP/licensing names.

Infrastructure felt the brunt of company-specific headlines after Vertiv Holdings (VRT) $142.49 plunged 6.2% and Air Products & Chemicals (APD) $269.40 underperformed, down 3.8%. The sector average was -1.8% on the day despite sitting ABOVE its 50-day moving average, signaling that the 50-day tone remains constructive but vulnerable to idiosyncratic hits. VRT's sharp move highlights earnings and guidance sensitivity in equipment and services exposed to data-center and industrial cycles, forcing investors to reweight risk within the 50-day window.

Enterprise Software showed intra-sector resilience with Palantir (PLTR) $182.55 gaining 1.8% as the group traded -0.8% on the session. PLTR's outperformance against an otherwise soft enterprise software backdrop suggests selective re-rating for companies tied directly to AI analytics and government contracts. The sector remains ABOVE its 50-day moving average, but the small pullback on the day underlines how quarterly execution and AI-specific revenue traction are being weighted heavily over the 50-day horizon.

Market Breadth Analysis

US stock market breadth analysis shows 16 of 28 sectors trading above their 50-day moving average, while 12 are below. The majority of sectors holding above the 50-day MA indicates healthy medium-term momentum. With 17 sectors positive over 20 days, buying pressure remains broad-based.

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

Stock-Level Detail

Mag 7 (AI Spenders) Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
GOOG $251.85 -0.2% +1.0% +21.5% +37.9% ABOVE 2
AAPL $253.49 -0.6% +6.5% +11.0% +21.8% ABOVE 1
MSFT $505.07 -1.0% -0.2% +1.4% +0.8% BELOW 2
META $753.44 -1.3% -2.6% +0.2% +6.4% ABOVE 3
TSLA $425.85 -1.9% -0.0% +21.1% +37.0% ABOVE 1
NVDA $178.20 -2.8% +4.8% -1.8% +4.5% ABOVE 1
AMZN $220.71 -3.0% -4.7% -3.5% -2.5% BELOW 2
Chip Supply Chain Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
TSM $280.50 +3.7% +7.6% +18.8% +19.7% ABOVE 0
INTC $29.34 +2.0% +17.8% +20.5% +28.0% ABOVE 0
AMD $160.90 +0.7% +1.1% -3.4% +3.4% BELOW 0
AVGO $337.05 +0.0% -1.9% +13.9% +20.9% ABOVE 0
QCOM $166.98 -0.1% +2.6% +7.1% +10.5% ABOVE 1
MRVL $74.46 -1.2% +5.1% +0.5% +3.1% ABOVE 1
Memory & Storage Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
SNDK $106.40 +3.4% +13.2% +124.7% +149.1% ABOVE 0
MU $166.14 +1.1% +4.0% +42.8% +38.5% ABOVE 0
STX $226.26 -0.5% +6.9% +38.1% +53.1% ABOVE 1
WDC $110.08 -1.9% +9.2% +38.5% +63.5% ABOVE 1
EDA & Semiconductor IP Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
CDNS $366.30 -1.9% +5.5% +6.5% +15.2% ABOVE 1
ARM $140.99 -2.4% -8.1% +0.5% -4.2% BELOW 1
SNPS $490.32 -4.8% +15.3% -17.7% -13.8% BELOW 1
Infrastructure Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
SMCI $46.99 +0.3% +4.7% +5.9% -11.6% BELOW 0
CSCO $66.17 -0.3% -0.3% -1.2% +0.5% BELOW 3
DELL $132.65 -1.0% +3.1% +2.6% +7.3% ABOVE 1
HPE $24.32 -1.8% +0.4% +10.4% +22.4% ABOVE 1
VRT $142.49 -6.2% +4.2% +11.5% +12.0% ABOVE 1
AI Networking & Interconnect Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
APH $124.72 +1.4% +5.9% +14.3% +26.3% ABOVE 0
ANET $144.09 -0.9% +0.9% +7.3% +34.2% ABOVE 2
COHR $109.29 -4.6% +5.7% +19.3% +13.8% ABOVE 1
Enterprise Software Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
PLTR $182.55 +1.8% +8.4% +13.5% +22.9% ABOVE 0
ADBE $361.78 -0.6% -0.1% +1.9% -0.7% ABOVE 3
CRM $242.93 -2.1% +1.0% +0.5% -4.9% BELOW 1
NOW $185.53 -2.1% -2.4% +7.3% -3.1% ABOVE 2
ORCL $310.29 -4.4% +4.1% +34.0% +33.6% ABOVE 1
Finance Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
JPM $306.87 +0.1% +0.3% +4.7% +9.1% ABOVE 0
GS $794.64 +0.1% +1.5% +8.2% +15.4% ABOVE 0
Healthcare Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
UNH $340.76 +1.9% +1.8% +16.5% +19.9% ABOVE 0
LLY $742.30 -1.1% -1.7% +1.5% -3.0% ABOVE 1
Retail Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
COST $938.13 +0.0% -2.0% +0.2% -2.4% BELOW 0
WMT $101.66 -0.3% -1.7% +6.7% +7.7% ABOVE 1
IT Services Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
IBM $265.34 +0.3% +5.1% +12.2% -3.0% ABOVE 0
ACN $230.75 -1.9% -2.4% -7.8% -14.7% BELOW 1
Airlines Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
UAL $104.13 -0.0% -1.3% +0.0% +20.5% ABOVE 2
DAL $58.11 -0.2% -0.1% -3.9% +5.8% ABOVE 2
Hospitality & Travel Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
BKNG $218.89 +1.0% -0.8% -3.3% -2.8% BELOW 0
MAR $259.68 -0.9% -0.1% -2.2% -4.5% BELOW 2
Food & Restaurant Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
SBUX $83.56 +0.5% +3.0% -1.1% -6.7% BELOW 0
MCD $297.69 +0.1% -0.6% -2.6% +1.8% BELOW 0
Logistics Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
FDX $185.90 +1.6% +3.5% +1.8% +2.0% ABOVE 0
UPS $79.21 +0.2% +0.3% -3.5% -13.6% BELOW 0
Industrial Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
HON $202.92 +0.1% -1.1% -6.0% -10.6% BELOW 0
CAT $467.06 -0.2% +4.6% +9.3% +16.9% ABOVE 1
Cybersecurity Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
ZS $289.29 -0.8% +3.5% +8.1% +0.1% ABOVE 2
CRWD $121.03 -1.8% +8.7% +15.9% +2.3% ABOVE 3
PANW $203.25 -2.4% +0.1% +10.3% +5.7% ABOVE 2
Chip Equipment Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
ASML $957.21 +0.6% +10.5% +26.2% +17.4% ABOVE 0
AMAT $199.77 +0.2% +12.8% +22.1% +1.1% ABOVE 0
KLAC $106.55 -0.0% +8.2% +20.6% +14.6% ABOVE 1
LRCX $131.20 -0.2% +8.2% +27.3% +30.5% ABOVE 1
Data Center REITs Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
EQIX $786.45 +0.7% +3.1% +2.7% +6.3% ABOVE 0
DLR $170.43 -0.3% +1.7% +4.4% +2.5% ABOVE 1
AI Power & Grid Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
PWR $389.20 -1.6% +3.6% +1.5% +0.8% ABOVE 1
GEV $631.97 -1.7% +3.0% +1.2% +13.2% ABOVE 1
ETN $364.46 -2.6% +1.4% +4.7% +2.1% ABOVE 1
CEG $334.78 -3.0% +4.8% +6.3% +6.0% ABOVE 1
VST $203.39 -6.3% -1.8% +4.8% +6.8% ABOVE 1
Utilities Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
SO $90.72 +1.5% +2.3% +0.7% +2.2% ABOVE 0
DUK $118.93 +1.3% +1.7% -0.1% +6.0% ABOVE 0
NEE $70.83 -0.0% +2.9% -2.6% -2.4% BELOW 1
Energy Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
XOM $110.74 +1.7% -1.2% +2.2% +1.9% ABOVE 0
CVX $151.45 +0.9% -1.7% +0.0% +5.6% ABOVE 0
Defense & Aerospace Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
LMT $477.35 +1.3% +2.9% +7.6% +4.3% ABOVE 0
RTX $158.19 +0.7% +1.4% +0.6% +8.5% ABOVE 0
GD $317.60 +0.2% -0.6% +0.3% +7.4% ABOVE 0
Telecom Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
TMUS $235.89 +0.9% +0.0% -4.3% +6.3% BELOW 0
VZ $40.58 +0.4% -1.9% -1.4% +5.1% BELOW 0
T $27.49 -0.4% -2.5% +0.8% +6.6% ABOVE 4
Media & Entertainment Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
DIS $110.65 -0.3% -3.3% -4.6% -5.7% BELOW 4
NFLX $121.85 -0.7% -0.8% -0.6% -3.3% ABOVE 1
Biotech Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
GILD $112.27 +1.7% +1.9% +0.4% +5.6% ABOVE 0
AMGN $279.07 +0.3% +4.4% -1.0% -1.2% BELOW 0
Materials Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
LIN $475.08 +0.5% +0.0% -0.1% +4.5% ABOVE 0
APD $269.40 -3.8% -4.8% -5.9% -3.5% BELOW 3
Analog & Embedded Chips Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
TXN $177.44 +1.3% +1.0% -11.6% -16.0% BELOW 0
ADI $244.47 -0.2% +0.2% -3.1% +3.1% ABOVE 1
MCHP $63.06 -1.1% -1.6% -4.3% -10.9% BELOW 1

Key Stock Movers

Today's biggest movers by absolute percentage change: Vistra (VST) (AI Power & Grid) fell 6.3% to $203.39. Vertiv (VRT) (Infrastructure) fell 6.2% to $142.49. Synopsys (SNPS) (EDA & Semiconductor IP) fell 4.8% to $490.32. Coherent (COHR) (AI Networking & Interconnect) fell 4.6% to $109.29. Oracle (ORCL) (Enterprise Software) fell 4.4% to $310.29. These individual stock movements were key drivers of their respective sector performance.

Risk and Opportunity Assessment

No major risk alerts are triggered. In a directionless market, maintaining disciplined position sizing and clear stop-loss levels is key to managing downside risk while staying positioned for breakouts.

US Stock Market Outlook

Looking ahead, market participants should watch breadth signals closely: 13 sectors trading above their 50-day moving averages against 11 below keeps the S&P 500 in a constructive but fragile state. With 9 sectors up and 7 down today, volatility around company-specific news (VRT, APD) and AI infrastructure stories will likely drive short-term rotation. Tactical positioning favors overweighting selective chip supply chain and defensive healthcare exposure while trimming momentum-extended Mag 7 names that showed intra-cohort weakness; keep stops aligned to 50-day trend breaks and monitor sector-level alerts for fresh leadership shifts.

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