US Stock Market Sector Analysis – Tuesday, March 31, 2026 BULLISH

The US stock market rallied on signs of détente and an AI infrastructure deal that reshaped intraday flows: Marvell (MRVL) jumped 12.8% to $98.98 after headlines tied the company to a $2 billion AI infrastructure partnership that helped lift NVIDIA (NVDA) and the chip supply chain. NVIDIA (NVDA) climbed 5.6% to $174.20, part of a broader Mag 7 bounce even as the group remains below its 50-day trend. Super Micro (SMCI) drew conflicting headlines — an indictment story and valuation critiques — but finished up 8.1% at $22.77 as investors rotated into infrastructure names, while United (UAL) surged 8.1% to $92.07 on travel optimism and fuel-surcharge chatter.

Market Condition Dashboard

US 10-Year Treasury Yield

Wait & Watch

4.30%

stable

Impact

Confidence

Crude Oil (WTI)

Alert (Surging)

$101.38

-1.5% 1D

Impact

Confidence

VIX (Fear Index)

Elevated Caution

25.2

-17.5% 1D

Impact

Confidence

200-Day Moving Average

Clearly Bearish

3/3 below

SPY below (-1.2%), QQQ below (-2.7%), DIA below (-0.1%)

Impact

Confidence

Tracked Stocks Breadth (50DMA)

Strong Cash-Deploy Signal

34%

23 of 68 above 50DMA · -2.9pp 5D

Impact

Confidence

Put/Call Ratio (5D)

Normal Range

0.94

Balanced · stable

Impact

Confidence

Signal analysis only — not investment advice

Sector Performance (Base=100)

AI and Technology Sector Analysis

AI spending continues to drive market leadership today, with the Mag 7 providing the anchor for thematic flows: NVIDIA (NVDA) $174.20 and Meta (META) $571.60 led gains as investors priced in new infrastructure commitments. The chip supply chain showed outsized moves — Marvell (MRVL) $98.98 and ARM Holdings (ARM) $151.28 — signaling vendor-level re‑rating on renewed demand. At the same time, AI momentum highlights the gap with enterprise software and services, where 50-day weakness keeps caution on incremental software-routing adoption and on-prem transition spend.

US Stock Sector Overview

Sector	1D	5D	20D	vs 50MA
Mag 7 (AI Spenders)	+4.5%	-1.7%	-7.0%	BELOW
Chip Supply Chain	+6.8%	-3.4%	+4.5%	BELOW
Infrastructure	+4.2%	-7.6%	-2.4%	ABOVE
Enterprise Software	+1.9%	+0.2%	-6.8%	BELOW
Finance	+4.2%	+0.0%	-2.1%	BELOW
Healthcare	+3.5%	+0.2%	-7.5%	BELOW
Retail	+0.3%	+1.6%	-1.8%	ABOVE
IT Services	+1.3%	+1.8%	-4.3%	BELOW
Airlines	+6.6%	-1.6%	-2.1%	BELOW
Hospitality & Travel	+2.3%	-0.3%	-1.7%	BELOW
Food & Restaurant	+2.0%	-1.8%	-7.0%	BELOW
Logistics	+3.9%	-0.2%	-8.9%	BELOW
Industrial	+3.6%	-0.7%	-5.7%	BELOW
Cybersecurity	+2.9%	+2.1%	-4.4%	BELOW
Chip Equipment	+6.0%	-7.1%	-4.8%	BELOW
Data Center REITs	+2.3%	+1.8%	+0.3%	ABOVE
Utilities	-0.0%	+2.0%	-0.5%	ABOVE
Energy	-1.4%	+2.4%	+12.2%	ABOVE
Defense & Aerospace	+1.6%	-2.3%	-7.6%	BELOW
Telecom	-0.4%	-0.1%	-2.1%	ABOVE
Media & Entertainment	+2.8%	+2.3%	-4.5%	BELOW
Biotech	+1.5%	+0.1%	-6.3%	BELOW
Materials	-0.5%	+0.4%	+2.8%	ABOVE
Analog & Embedded Chips	+5.9%	-1.1%	-5.8%	BELOW

Sector Strength

Chip Supply Chain +6.8% 20d: +4.5%

Marvell (MRVL) +12.8% (20d: +26.8%), ARM Holdings (ARM) +10.5% (20d: +21.9%), Intel (INTC) +7.1% (20d: -3.2%) [<50MA]

Airlines +6.6% 20d: -2.1%

United (UAL) +8.1% (20d: -8.4%) [<50MA], Delta (DAL) +5.2% (20d: +4.2%)

Chip Equipment +6.0% 20d: -4.8%

Lam Research (LRCX) +6.9% (20d: -4.2%) [<50MA], Applied Materials (AMAT) +5.8% (20d: -4.5%) [<50MA], ASML +5.3% (20d: -5.6%) [<50MA]

Analog & Embedded Chips +5.9% 20d: -5.8%

Microchip Technology (MCHP) +7.6% (20d: -7.6%) [<50MA], Texas Instruments (TXN) +4.1% (20d: -4.1%) [<50MA]

Mag 7 (AI Spenders) +4.5% 20d: -7.0%

Meta (META) +6.7% (20d: -14.2%) [<50MA], NVIDIA (NVDA) +5.6% (20d: -4.7%) [<50MA], Alphabet (GOOG) +5.0% (20d: -5.4%) [<50MA]

Sector Warnings

Energy -1.4% 20d: +12.2%

Chevron (CVX) -1.8% (20d: +11.2%), Exxon Mobil (XOM) -1.1% (20d: +13.2%)

Materials -0.5% 20d: +2.8%

Linde (LIN) -0.7% (20d: -0.4%), Air Products (APD) -0.4% (20d: +5.9%)

Telecom -0.4% 20d: -2.1%

T-Mobile (TMUS) -1.8% (20d: -4.4%), Verizon (VZ) -0.2% (20d: -2.0%), AT&T (T) +0.7% (20d: +0.0%)

Sector Deep Dive

Chip Supply Chain saw the day's largest rotation as Marvell (MRVL) rose 12.8% to $98.98 and ARM Holdings (ARM) jumped 10.5% to $151.28, giving the sector a 1-day gain of 6.8%. Over the 50-day window the sector is only +3.5% versus more extended weakness earlier, so today's move reads as a tactical re-acceleration tied to discrete AI infrastructure news rather than a clear structural breakout above the 50-day trend.

Infrastructure traded strongly, up 4.2% for the session with Super Micro (SMCI) finishing at $22.77, +8.1% on the day. The group's 50-day context is constructive (+17.3% vs 50MA) and today's flows suggest investors are rotating toward hardware and datacenter plays after headlines, benefitting names that can service the AI buildout despite episodic headline risk.

Airlines and Travel saw a meaningful recovery: United (UAL) climbed 8.1% to $92.07 as travel-related headlines and fuel-surcharge conversations buoyed the group, which sits -8.2% over 50 days. The large 1-day lift signals short-covering and discretionary reopening resilience, but the negative 50-day trend argues for selective exposure to carriers with clearer margin recovery paths.

Enterprise Software is a warning sector after finishing the 50-day window down -15.3%, an active HIGH alert. Select names underperformed the broader market today even as sectors rallied; the 1-day gain of +1.9% masks continued distribution over the 50-day horizon, suggesting investors should prefer software providers with direct AI monetization levers rather than legacy maintenance-heavy franchises.

Market Breadth Analysis

US stock market breadth analysis shows 7 of 24 sectors trading above their 50-day moving average, while 17 are below. With the majority of sectors below the 50-day MA, medium-term momentum is deteriorating. The 20-day breadth shows 20 sectors in negative territory, pointing to widespread selling pressure.

Interactive Charts

S&P 500 & NASDAQ 100

50-Day Sector Performance

1-Day vs 5-Day Sector Change

Active Alerts

HIGH Enterprise Software down -15.3% over 50 days

HIGH Healthcare down -15.5% over 50 days

HIGH IT Services down -21.8% over 50 days

HIGH Cybersecurity down -18.9% over 50 days

HIGH 9 sectors declining >5% over 20 days: Mag 7 (AI Spenders), Enterprise Software, Healthcare, Food & Restaurant, Logistics, Industrial, Defense & Aerospace, Biotech, Analog & Embedded Chips

HIGH 4 sectors declining >10% over 50 days: Enterprise Software, Healthcare, IT Services, Cybersecurity

Stock-Level Detail

Mag 7 (AI Spenders) Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA
META	$571.60	+6.7%	-3.8%	-14.2%	-5.2%	BELOW
NVDA	$174.20	+5.6%	-2.4%	-4.7%	-2.1%	BELOW
GOOG	$286.69	+5.0%	-0.9%	-5.4%	-10.9%	BELOW
TSLA	$371.75	+4.6%	-3.7%	-8.4%	-11.3%	BELOW
AMZN	$208.27	+3.6%	-1.6%	-3.9%	-9.8%	BELOW
MSFT	$369.37	+3.1%	-0.2%	-8.6%	-18.4%	BELOW
AAPL	$253.56	+2.9%	+0.5%	-3.3%	+3.0%	BELOW

Chip Supply Chain Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA
MRVL	$98.98	+12.8%	+0.6%	+26.8%	+24.1%	ABOVE
ARM	$151.28	+10.5%	-3.7%	+21.9%	+41.2%	ABOVE
INTC	$44.13	+7.1%	-6.5%	-3.2%	-9.1%	BELOW
TSM	$337.16	+6.8%	-2.8%	-5.2%	+3.6%	BELOW
AVGO	$309.02	+5.5%	-2.9%	-2.3%	-6.7%	BELOW
AMD	$203.43	+3.8%	-7.6%	+0.7%	-12.3%	BELOW
QCOM	$128.31	+1.3%	-1.2%	-7.1%	-15.9%	BELOW

Infrastructure Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
SMCI	$22.77	+8.1%	-5.3%	-30.3%	-27.5%	BELOW	0
VRT	$250.53	+7.0%	-9.3%	-0.3%	+43.1%	ABOVE	0
HPE	$23.74	+5.3%	-7.6%	+11.2%	+17.5%	ABOVE	0
CSCO	$76.88	+0.7%	-5.2%	-4.1%	+5.8%	BELOW	0
DELL	$163.62	-0.3%	-10.8%	+11.6%	+47.8%	ABOVE	4

Enterprise Software Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
PLTR	$146.28	+6.3%	-5.6%	-4.5%	-13.2%	BELOW	0
CRM	$185.72	+0.9%	+2.6%	-3.3%	-15.2%	BELOW	0
ADBE	$243.08	+0.8%	+2.5%	-11.0%	-16.3%	BELOW	0
NOW	$104.55	-0.4%	+1.4%	-8.2%	-16.6%	BELOW	1

Finance Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
GS	$842.28	+4.8%	+0.5%	-2.5%	-9.9%	BELOW	0
JPM	$291.35	+3.7%	-0.4%	-1.7%	-2.8%	BELOW	0

Healthcare Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
LLY	$918.19	+3.7%	+0.4%	-8.4%	-11.5%	BELOW	0
UNH	$269.05	+3.4%	+0.0%	-6.6%	-19.4%	BELOW	0

Retail Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
WMT	$124.04	+0.6%	+1.0%	-2.6%	+4.9%	ABOVE	0
COST	$994.99	-0.0%	+2.2%	-1.0%	+3.5%	ABOVE	1

IT Services Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
IBM	$240.62	+2.2%	+0.4%	-3.1%	-16.3%	BELOW	0
ACN	$194.29	+0.4%	+3.1%	-5.6%	-27.3%	BELOW	0

Airlines Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
UAL	$92.07	+8.1%	-0.9%	-8.4%	-15.2%	BELOW	0
DAL	$66.14	+5.2%	-2.2%	+4.2%	-1.2%	ABOVE	0

Hospitality & Travel Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
MAR	$326.43	+2.4%	+0.1%	-2.6%	+4.4%	BELOW	0
BKNG	$167.99	+2.3%	-0.6%	-0.8%	-16.1%	BELOW	0

Food & Restaurant Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
SBUX	$89.07	+3.3%	-3.4%	-7.8%	-3.7%	BELOW	0
MCD	$308.70	+0.7%	-0.3%	-6.3%	+3.2%	BELOW	0

Logistics Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
FDX	$285.94	+4.2%	-0.4%	-6.9%	+18.8%	ABOVE	0
UPS	$96.75	+3.6%	+0.0%	-11.0%	-6.4%	BELOW	0

Industrial Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
CAT	$707.11	+6.1%	-1.5%	-3.2%	+12.6%	ABOVE	0
HON	$235.76	+1.1%	+0.1%	-8.1%	+5.6%	BELOW	0

Cybersecurity Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA
PANW	$160.32	+3.9%	+4.6%	+1.1%	-12.9%	BELOW
CRWD	$97.60	+2.7%	+1.2%	-4.2%	-11.8%	BELOW
ZS	$140.29	+2.2%	+0.6%	-10.2%	-32.0%	BELOW

Chip Equipment Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA
LRCX	$213.51	+6.9%	-8.5%	-4.2%	-3.8%	BELOW
AMAT	$341.37	+5.8%	-7.5%	-4.5%	+7.5%	BELOW
ASML	$1317.95	+5.3%	-5.2%	-5.6%	-0.3%	BELOW

Data Center REITs Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
DLR	$179.02	+2.9%	+2.1%	-0.6%	+13.7%	ABOVE	0
EQIX	$975.42	+1.7%	+1.5%	+1.2%	+25.7%	ABOVE	0

Utilities Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
NEE	$92.20	+0.9%	+1.9%	+0.3%	+12.0%	ABOVE	0
SO	$95.73	-0.4%	+2.0%	-1.1%	+9.5%	ABOVE	1
DUK	$129.82	-0.6%	+2.2%	-0.7%	+10.5%	ABOVE	1

Energy Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
XOM	$168.52	-1.1%	+3.9%	+13.2%	+30.9%	ABOVE	1
CVX	$205.02	-1.8%	+0.9%	+11.2%	+26.4%	ABOVE	2

Defense & Aerospace Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA
RTX	$192.10	+3.1%	-1.1%	-7.6%	-1.4%	BELOW
LMT	$600.46	+1.0%	-3.2%	-9.0%	+5.5%	BELOW
GD	$340.14	+0.7%	-2.6%	-6.3%	-4.4%	BELOW

Telecom Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
T	$28.31	+0.7%	+0.6%	+0.0%	+23.6%	ABOVE	0
VZ	$48.63	-0.2%	-0.3%	-2.0%	+28.5%	ABOVE	3
TMUS	$208.90	-1.8%	-0.6%	-4.4%	+14.9%	ABOVE	1

Media & Entertainment Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
NFLX	$96.15	+3.4%	+4.2%	-2.5%	+10.2%	ABOVE	0
DIS	$95.65	+2.2%	+0.4%	-6.5%	-12.7%	BELOW	0

Biotech Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
GILD	$138.46	+2.2%	+0.8%	-5.4%	+12.9%	BELOW	0
AMGN	$349.21	+0.8%	-0.6%	-7.2%	+7.0%	BELOW	0

Materials Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
APD	$286.90	-0.4%	+0.1%	+5.9%	+12.5%	ABOVE	3
LIN	$494.20	-0.7%	+0.7%	-0.4%	+14.8%	ABOVE	1

Analog & Embedded Chips Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
MCHP	$64.29	+7.6%	-0.8%	-7.6%	-11.2%	BELOW	0
TXN	$193.16	+4.1%	-1.3%	-4.1%	+3.1%	BELOW	0

Key Stock Movers

Today's biggest movers by absolute percentage change: Marvell (MRVL) (Chip Supply Chain) rose 12.8% to $98.98. ARM Holdings (ARM) (Chip Supply Chain) rose 10.5% to $151.28. Super Micro (SMCI) (Infrastructure) rose 8.1% to $22.77. United (UAL) (Airlines) rose 8.1% to $92.07. Microchip Technology (MCHP) (Analog & Embedded Chips) rose 7.6% to $64.29. These individual stock movements were key drivers of their respective sector performance.

Risk and Opportunity Assessment

On the risk side, 6 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

Breadth favored winners today with 20 sectors up and only 3 down, yet only 7 of 24 sectors remain above their 50MA, underscoring a fragile rally concentrated in chips and infrastructure. Active HIGH alerts — including Enterprise Software, Healthcare, IT Services and Cybersecurity down more than 15-21% over 50 days — argue for defensive positioning in lagging software and services names while selectively adding exposure to AI-capable hardware and chip-supply plays with clear earnings linkage. Monitor sector-level 50-day trends and the count of sectors declining >5% over 20 days as the next reallocation trigger for tactical overweighting.

Hypothetical Portfolio

SIMULATION

Value $101,869

P&L +1.87%

Today +3.13%

View full portfolio → Simulation only. Not investment advice.

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