US Stock Market Sector Analysis – Tuesday, December 17, 2024 Sectors: BEARISH

Marvell (MRVL) led today’s risk-off tone after a sharp -10.0% drop in the Chip Supply Chain, signaling renewed pressure on semiconductor suppliers and dragging the broader space lower. The US stock market closed mixed as only 5 sectors advanced while 15 fell, and the S&P 500 held on to modest gains driven by the Mag 7 (AI Spenders) group, which was up a collective +0.3% for the day. Notable movers included Tesla (TSLA) jumping +3.6% to $479.86 and Apple (AAPL) rising +1.0% to $251.87, while Broadcom (AVGO) slid -3.9% to $236.57 amid chip supply-chain weakness. Market participants digested these tech divergences alongside active sector alerts highlighting outsized 50-day declines in Healthcare and Analog & Embedded Chips.

Market Condition Dashboard

US 10-Year Treasury Yield

Wait & Watch

4.40%

rising

Impact

Confidence

Crude Oil (WTI)

Neutral

$70.08

-0.9% 1D

Impact

Confidence

VIX (Fear Index)

Normal Range

15.9

+8.0% 1D

Impact

Confidence

Tracked Stocks Breadth (50DMA)

Healthy Uptrend

53%

36 of 68 above 50DMA · -7.4pp 5D

Impact

Confidence

Put/Call Ratio (5D)

Caution

0.75

Call-Heavy · stable

Impact

Confidence

Signal analysis only — not investment advice

Sector Heatmap (1D)

Chip Equipment +0.53%

Utilities +0.47%

Biotech +0.30%

Media & Entertainment +0.30%

Mag 7 (AI Spenders) +0.28%

Data Center REITs +0.02%

IT Services -0.04%

Materials -0.11%

Hospitality & Travel -0.14%

Retail -0.25%

Defense & Aerospace -0.37%

Airlines -0.45%

Memory & Storage -0.61%

Energy -0.63%

Food & Restaurant -0.83%

Infrastructure -1.01%

Industrial -1.02%

Analog & Embedded Chips -1.07%

Finance -1.25%

Healthcare -1.33%

Telecom -1.37%

EDA & Semiconductor IP -1.39%

Enterprise Software -1.43%

Logistics -1.54%

Cybersecurity -1.86%

AI Power & Grid -2.55%

AI Networking & Interconnect -2.84%

Chip Supply Chain -2.98%

≤-3%0≥+3%

Sector Performance (Base=100)

AI and Technology Sector Analysis

The AI investment theme remains bifurcated: the Mag 7 (AI Spenders) cohort continued to outperform modestly (+0.3% today) even as NVIDIA (NVDA) showed continued weakness at $130.20, down -1.2% and below its 50-day trend. Apple (AAPL) $251.87 and Microsoft (MSFT) $449.13 sustained gains, underscoring demand for large-cap AI spenders that benefit from software and cloud infrastructure rollouts. However, the Chip Supply Chain is under pressure (sector -2.8% today, below its 50-day average), reinforcing that chipmakers and equipment providers remain the key risk to AI hardware throughput until supply-chain clarity and capex cadence normalize.

US Stock Sector Overview

Sector	1D	5D	20D	vs 50MA
Mag 7 (AI Spenders)	+0.3%	+1.3%	+11.5%	ABOVE
Chip Supply Chain	-3.0%	+5.3%	+7.9%	BELOW
Memory & Storage	-0.6%	-1.5%	+2.5%	BELOW
EDA & Semiconductor IP	-1.4%	+0.2%	+2.4%	BELOW
Infrastructure	-1.0%	-3.6%	-1.0%	ABOVE
AI Networking & Interconnect	-2.8%	+2.0%	+7.8%	ABOVE
Enterprise Software	-1.4%	-4.7%	+3.3%	ABOVE
Finance	-1.2%	-2.6%	-1.3%	ABOVE
Healthcare	-1.3%	-5.6%	-4.4%	BELOW
Retail	-0.3%	-0.3%	+8.0%	ABOVE
IT Services	-0.0%	-1.1%	+4.9%	BELOW
Airlines	-0.5%	-4.1%	-2.7%	ABOVE
Hospitality & Travel	-0.1%	-1.7%	+3.8%	ABOVE
Food & Restaurant	-0.8%	-3.2%	-2.0%	BELOW
Logistics	-1.5%	-1.4%	-4.6%	BELOW
Industrial	-1.0%	-0.8%	+0.2%	BELOW
Cybersecurity	-1.9%	+0.4%	+2.8%	ABOVE
Chip Equipment	+0.5%	+0.7%	+7.4%	BELOW
Data Center REITs	+0.0%	-0.9%	+1.8%	ABOVE
AI Power & Grid	-2.6%	-2.6%	-3.2%	ABOVE
Utilities	+0.5%	-1.3%	-5.4%	BELOW
Energy	-0.6%	-4.3%	-8.1%	BELOW
Defense & Aerospace	-0.4%	-0.8%	-4.8%	BELOW
Telecom	-1.4%	-3.8%	-2.4%	BELOW
Media & Entertainment	+0.3%	-1.4%	+3.2%	ABOVE
Biotech	+0.3%	-0.7%	+0.8%	BELOW
Materials	-0.1%	-2.4%	-5.0%	BELOW
Analog & Embedded Chips	-1.1%	-2.9%	-4.6%	BELOW

Sector Strength

Chip Equipment +0.5% 20d: +7.4%

ASML Holding (ASML) +1.8% (20d: +11.0%), Applied Materials (AMAT) +0.5% (20d: +0.8%) [<50MA], Lam Research (LRCX) -0.0% (20d: +11.2%)

Utilities +0.5% 20d: -5.4%

Southern Co (SO) +1.7% (20d: -5.7%) [<50MA], Duke Energy (DUK) +0.4% (20d: -5.0%) [<50MA], NextEra Energy (NEE) -0.7% (20d: -5.6%) [<50MA]

Biotech +0.3% 20d: +0.8%

Gilead (GILD) +0.8% (20d: +6.6%), Amgen (AMGN) -0.2% (20d: -5.0%) [<50MA]

Media & Entertainment +0.3% 20d: +3.2%

Disney (DIS) +0.8% (20d: +1.0%), Netflix (NFLX) -0.2% (20d: +5.5%)

Mag 7 (AI Spenders) +0.3% 20d: +11.5%

Tesla (TSLA) +3.6% (20d: +38.7%), Apple (AAPL) +1.0% (20d: +11.0%), Microsoft (MSFT) +0.6% (20d: +9.0%)

Sector Warnings

Chip Supply Chain -3.0% 20d: +7.9%

Marvell (MRVL) -10.0% (20d: +25.6%), Broadcom (AVGO) -3.9% (20d: +45.3%), Intel (INTC) -1.9% (20d: -15.5%) [<50MA]

AI Networking & Interconnect -2.8% 20d: +7.8%

Coherent (COHR) -4.2% (20d: -0.9%), Arista Networks (ANET) -3.1% (20d: +19.6%), Amphenol (APH) -1.2% (20d: +4.9%)

AI Power & Grid -2.6% 20d: -3.2%

Vistra (VST) -3.8% (20d: -9.7%), GE Vernova (GEV) -2.8% (20d: -3.4%), Eaton (ETN) -2.3% (20d: -4.6%) [<50MA]

Cybersecurity -1.9% 20d: +2.8%

CrowdStrike (CRWD) -3.0% (20d: +6.5%), Zscaler (ZS) -1.9% (20d: -1.9%), Palo Alto Networks (PANW) -0.6% (20d: +3.7%)

Logistics -1.5% 20d: -4.6%

FedEx (FDX) -2.1% (20d: -4.9%) [<50MA], United Parcel Service (UPS) -1.0% (20d: -4.4%) [<50MA]

Sector Deep Dive

Chip Supply Chain: The sector fell -2.8% today and sits BELOW its 50-day average despite a positive 50-day return of +7.1%, a sign of recent consolidation within a longer up-cycle. Broadcom (AVGO) traded to $236.57, down -3.9% on the session as investors digested growth and margin assumptions across suppliers. Marvell (MRVL) exacerbated the move by plunging -10.0% to $111.74, a headline-sized move that amplified downside across supply-chain peers and pressured the 50-day breadth in semiconductor-related names.

Infrastructure: Infrastructure finished -1.0% for the day but remains ABOVE its 50-day average with a marginal 50-day change of -0.3%, suggesting a flat-to-slightly constructive trend over the prior two months. Super Micro (SMCI) rallied +1.1% to $33.80, reflecting selective interest in server- and data-center related buildouts that support AI deployments. Conversely, Vertiv (VRT) dropped -4.2% to $120.46 as investors weighed near-term execution against durable secular demand for data-center power and cooling — the 50-day window shows mixed momentum that favors names with visible revenue tie-ins to hyperscalers.

Utilities: Utilities outperformed today with a +0.5% gain and a 50-day profile of -5.7% (BELOW), highlighting defensive rotation into yield into year-end. Southern Co (SO) led the utility gain, up +1.7% to $79.30, demonstrating the asset class’s role as a ballast amid tech dispersion. The sector’s decline over the 50-day window keeps it in the alert category for relative weakness, but intraday strength suggests short-term demand for lower-volatility exposures as broader cyclicals experience deeper pullbacks.

Healthcare: Healthcare remains a primary area of concern with a -1.3% session and an outsized 50-day decline of -15.4% (classified as a HIGH alert). The 50-day trend is clearly negative and marks Healthcare as one of three sectors down more than 10% over that horizon, forcing a reassessment of risk in biotechs and large-cap health names. With elevated alert status and persistent underperformance versus the S&P 500, the sector calls for selective positioning rather than broad exposure until signs of stabilization appear in 50-day momentum.

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 13 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 Healthcare down -15.4% over 50 days

HIGH 4 sectors declining >10% over 50 days: Healthcare, Chip Equipment, Defense & Aerospace, Analog & Embedded Chips

LOW Energy below 50-day MA with avg 7 consecutive down days

Stock-Level Detail

Mag 7 (AI Spenders) Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
TSLA	$479.86	+3.6%	+13.0%	+38.7%	+96.3%	ABOVE	0
AAPL	$251.65	+1.0%	+2.8%	+11.0%	+12.4%	ABOVE	0
MSFT	$448.29	+0.6%	+1.2%	+9.0%	+9.8%	ABOVE	0
GOOG	$196.10	-0.5%	+0.2%	+9.9%	+19.1%	ABOVE	1
AMZN	$231.15	-0.8%	+0.4%	+13.0%	+26.5%	ABOVE	1
META	$616.39	-0.8%	-2.0%	+10.5%	+4.6%	ABOVE	1
NVDA	$130.20	-1.2%	-6.4%	-11.3%	-1.9%	BELOW	4

Chip Supply Chain Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
QCOM	$152.91	+0.0%	-1.2%	-3.6%	-4.6%	BELOW	0
TSM	$196.97	-0.8%	+3.4%	+6.1%	+8.2%	ABOVE	1
AMD	$125.02	-1.3%	-3.9%	-10.3%	-27.7%	BELOW	3
INTC	$20.44	-1.9%	+1.6%	-15.5%	-12.3%	BELOW	1
AVGO	$236.57	-3.9%	+31.1%	+45.3%	+32.9%	ABOVE	1
MRVL	$111.74	-10.0%	+0.8%	+25.6%	+53.7%	ABOVE	1

Memory & Storage Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
MU	$108.04	+0.3%	+6.4%	+11.1%	+5.9%	ABOVE	0
WDC	$48.64	-1.0%	-7.5%	-1.0%	-2.3%	BELOW	1
STX	$92.46	-1.1%	-3.3%	-2.7%	-12.4%	BELOW	4

EDA & Semiconductor IP Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
CDNS	$311.35	-0.7%	+0.8%	+3.9%	+15.3%	ABOVE	1
ARM	$142.80	-1.5%	-0.3%	+7.3%	-0.6%	BELOW	2
SNPS	$511.87	-2.0%	-0.0%	-4.1%	-1.1%	BELOW	1

Infrastructure Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
SMCI	$33.80	+1.1%	-11.7%	+19.6%	-25.5%	BELOW	0
CSCO	$56.23	+0.3%	-0.1%	+2.6%	+11.0%	ABOVE	0
DELL	$115.11	-0.8%	-0.3%	-13.0%	-2.6%	BELOW	1
HPE	$20.65	-1.4%	-1.7%	+0.0%	+2.7%	ABOVE	1
VRT	$120.46	-4.2%	-4.1%	-14.3%	+13.0%	ABOVE	1

AI Networking & Interconnect Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
APH	$73.44	-1.2%	+1.2%	+4.9%	+15.7%	ABOVE	1
ANET	$112.95	-3.1%	+5.3%	+19.6%	+12.9%	ABOVE	1
COHR	$103.29	-4.2%	-0.5%	-0.9%	+5.5%	ABOVE	1

Enterprise Software Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
ORCL	$166.43	-0.9%	-5.0%	-10.2%	-2.5%	BELOW	4
NOW	$222.94	-1.3%	-2.8%	+9.1%	+20.9%	ABOVE	1
ADBE	$455.23	-1.4%	-17.2%	-8.9%	-8.3%	BELOW	4
CRM	$346.53	-1.8%	-1.1%	+8.5%	+20.4%	ABOVE	1
PLTR	$74.39	-1.8%	+2.6%	+18.1%	+79.5%	ABOVE	2

Finance Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
JPM	$230.15	-0.5%	-2.1%	-1.9%	+13.1%	ABOVE	4
GS	$557.78	-2.0%	-3.0%	-0.7%	+16.3%	ABOVE	1

Healthcare Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
LLY	$769.14	-0.0%	-2.2%	+6.7%	-14.6%	BELOW	2
UNH	$467.52	-2.6%	-9.0%	-15.5%	-16.2%	BELOW	2

Retail Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
WMT	$93.92	+0.6%	+0.7%	+10.4%	+20.0%	ABOVE	0
COST	$972.69	-1.1%	-1.3%	+5.6%	+10.4%	ABOVE	1

IT Services Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
ACN	$345.16	+0.1%	-1.8%	+0.9%	-0.5%	BELOW	0
IBM	$218.75	-0.2%	-0.5%	+8.9%	+0.9%	ABOVE	3

Airlines Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
DAL	$59.62	-0.4%	-4.2%	-6.1%	+20.5%	ABOVE	4
UAL	$94.99	-0.5%	-4.0%	+0.8%	+58.3%	ABOVE	1

Hospitality & Travel Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
BKNG	$203.70	+0.1%	-2.6%	+3.7%	+22.0%	ABOVE	0
MAR	$284.95	-0.3%	-0.8%	+3.9%	+13.1%	ABOVE	1

Food & Restaurant Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
MCD	$285.79	-0.5%	-0.0%	+2.5%	-1.3%	BELOW	1
SBUX	$88.11	-1.1%	-6.4%	-6.4%	-3.7%	BELOW	4

Logistics Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
UPS	$113.73	-1.0%	-1.4%	-4.4%	-1.6%	BELOW	5
FDX	$216.69	-2.1%	-1.3%	-4.9%	+6.7%	BELOW	1

Industrial Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
CAT	$367.96	-0.8%	-3.4%	-1.7%	-2.8%	BELOW	4
HON	$222.51	-1.2%	+1.8%	+2.2%	+13.2%	ABOVE	1

Cybersecurity Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
PANW	$201.24	-0.6%	+1.0%	+3.7%	+13.3%	ABOVE	1
ZS	$200.45	-1.9%	-3.6%	-1.9%	+13.3%	ABOVE	1
CRWD	$94.11	-3.0%	+3.7%	+6.5%	+28.5%	ABOVE	1

Chip Equipment Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
ASML	$724.75	+1.8%	+2.9%	+11.0%	-10.6%	ABOVE	0
AMAT	$168.05	+0.5%	-0.5%	+0.8%	-15.0%	BELOW	0
LRCX	$76.96	-0.0%	-0.5%	+11.2%	-3.7%	ABOVE	1
KLAC	$64.69	-0.2%	+0.9%	+6.4%	-16.2%	BELOW	1

Data Center REITs Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
EQIX	$925.19	+0.3%	-1.3%	+4.1%	+10.6%	ABOVE	0
DLR	$177.07	-0.3%	-0.5%	-0.6%	+17.6%	ABOVE	1

AI Power & Grid Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
PWR	$335.82	-1.8%	+0.7%	+1.7%	+9.0%	ABOVE	1
CEG	$231.91	-2.1%	-1.0%	-0.1%	-16.0%	BELOW	1
ETN	$339.82	-2.3%	-4.1%	-4.6%	+3.7%	BELOW	4
GEV	$326.96	-2.8%	-4.5%	-3.4%	+24.2%	ABOVE	1
VST	$138.40	-3.8%	-4.3%	-9.7%	+9.2%	ABOVE	1

Utilities Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
SO	$78.65	+1.7%	+0.0%	-5.7%	-6.0%	BELOW	0
DUK	$101.47	+0.4%	-1.6%	-5.0%	-1.6%	BELOW	0
NEE	$69.10	-0.7%	-2.3%	-5.6%	-9.6%	BELOW	2

Energy Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
XOM	$102.14	-0.4%	-3.5%	-9.0%	-10.8%	BELOW	8
CVX	$137.70	-0.8%	-5.2%	-7.2%	+0.6%	BELOW	6

Defense & Aerospace Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
LMT	$470.98	-0.2%	-2.7%	-7.4%	-18.8%	BELOW	5
GD	$256.50	-0.3%	-0.1%	-5.6%	-10.2%	BELOW	1
RTX	$114.03	-0.6%	+0.4%	-1.3%	-4.4%	BELOW	1

Telecom Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
T	$21.09	-0.0%	-2.8%	+0.4%	+5.8%	ABOVE	2
VZ	$36.33	-0.2%	-2.9%	-2.7%	-5.9%	BELOW	2
TMUS	$215.11	-3.8%	-5.8%	-5.0%	+4.9%	BELOW	4

Media & Entertainment Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
DIS	$110.93	+0.8%	-1.0%	+1.0%	+22.7%	ABOVE	0
NFLX	$91.91	-0.2%	-1.9%	+5.5%	+27.3%	ABOVE	1

Biotech Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
GILD	$89.18	+0.8%	+1.3%	+6.6%	+9.8%	ABOVE	0
AMGN	$252.40	-0.2%	-2.7%	-5.0%	-15.6%	BELOW	3

Materials Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
LIN	$421.73	+0.4%	-2.3%	-2.8%	-8.1%	BELOW	0
APD	$291.34	-0.7%	-2.4%	-7.1%	-1.8%	BELOW	2

Analog & Embedded Chips Show individual tickers

Ticker	Price	1D	5D	20D	50D	vs 50MA	Down Days
TXN	$179.19	-0.7%	-1.9%	-6.4%	-6.4%	BELOW	3
ADI	$209.12	-1.2%	-1.5%	+2.0%	-6.4%	BELOW	3
MCHP	$55.56	-1.3%	-5.3%	-9.5%	-24.1%	BELOW	5

Key Stock Movers

Today's biggest movers by absolute percentage change: Marvell (MRVL) (Chip Supply Chain) fell 10.0% to $111.74. Coherent (COHR) (AI Networking & Interconnect) fell 4.2% to $103.29. Vertiv (VRT) (Infrastructure) fell 4.2% to $120.46. Broadcom (AVGO) (Chip Supply Chain) fell 3.9% to $236.57. Vistra (VST) (AI Power & Grid) fell 3.8% to $138.40. These individual stock movements were key drivers of their respective sector performance.

Risk and Opportunity Assessment

On the risk side, 2 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 has thinned: 11 sectors trade above their 50-day averages while 13 sit below, and the desk is watching the four active HIGH alerts (Healthcare, Analog & Embedded Chips, plus multi-sector 20- and 50-day deterioration counts). With three sectors down >5% over 20 days and three down >10% over 50 days, expect continued volatility into year-end as investors reconcile AI-driven leadership among the Mag 7 with chip-supply cyclicality. Positioning guidance: favor selective exposure to durable Mag 7 spenders and defensive utilities/selected infrastructure names, trim or hedge semiconductor supply-chain exposure until 50-day momentum reverts positively or earnings cadence improves.

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