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US Stock Market Sector Analysis – Wednesday, December 18, 2024 BEARISH

The US stock market finished a risk-off session driven by a broad sell-off in AI spenders and chip suppliers after a string of profit-taking trades; Tesla (TSLA) plunged 8.3% to $440.13 and weighed heavily on the Magnificent 7, which collectively fell 3.9% today. Chip Supply Chain names were hit hard — Marvell (MRVL) slid 6.2% to $104.80 and Broadcom (AVGO) dropped 6.9% to $220.21 — while Cybersecurity saw steep losses with CrowdStrike (CRWD) down 7.2% to $87.29. Only one sector closed up while 23 fell, leaving just five sectors above their 50-day moving average and underscoring the breadth deterioration in the S&P 500. Active alerts highlight material multi-timeframe weakness in Energy, Healthcare and Analog & Embedded Chips that influenced intraday positioning.

Market Condition Dashboard

US 10-Year Treasury Yield
Sell / Wait
4.50%
rising
Impact
Confidence
Crude Oil (WTI)
Neutral
$70.58
+0.7% 1D
Impact
Confidence
VIX (Fear Index)
Elevated Caution
27.6
+74.0% 1D
Impact
Confidence
Tracked Stocks Breadth (50DMA)
Strong Cash-Deploy Signal
37%
25 of 68 above 50DMA · -27.9pp 5D
Impact
Confidence
Put/Call Ratio (5D)
Caution
0.75
Call-Heavy · stable
Impact
Confidence

Signal analysis only — not investment advice

Sector Performance (Base=100)

AI and Technology Sector Analysis

The AI investment theme showed a near-term regroup as the Magnificent 7 absorbed outsized selling: NVIDIA (NVDA) traded at $128.72 (down 1.1%), Microsoft (MSFT) at $432.26 (down 3.8%) and Amazon (AMZN) at $220.52 (down 4.6%). Pressure extended into the chip supply chain, where equipment and component names amplified volatility and knocked the Chip Supply Chain average down 4.5% on the day. Infrastructure and enterprise software remain the underlying constructive levers — Enterprise Software sits above its 50-day at +21.4% over 50 days — but today’s flow favors caution until chip-related and data-center signals stabilize.

US Stock Sector Overview

Sector 1D 5D 20D vs 50MA
Mag 7 (AI Spenders) -3.9% -2.0% +7.5% ABOVE
Chip Supply Chain -4.5% -0.4% +4.1% BELOW
Infrastructure -4.2% -7.4% -2.1% BELOW
Enterprise Software -3.9% -5.7% +2.7% ABOVE
Finance -3.8% -5.8% -4.6% BELOW
Healthcare +0.6% -2.7% -7.5% BELOW
Retail -1.9% -1.4% +5.7% ABOVE
IT Services -3.3% -4.3% -0.0% BELOW
Airlines -3.4% -4.6% -5.4% BELOW
Hospitality & Travel -4.1% -5.2% -1.0% ABOVE
Food & Restaurant -2.1% -5.0% -4.0% BELOW
Logistics -2.1% -3.9% -5.5% BELOW
Industrial -2.9% -2.4% -2.3% BELOW
Cybersecurity -6.9% -6.7% -3.9% BELOW
Chip Equipment -2.8% -0.6% +4.7% BELOW
Data Center REITs -4.0% -4.9% -1.7% BELOW
Utilities -2.2% -3.0% -7.3% BELOW
Energy -2.1% -5.9% -11.1% BELOW
Defense & Aerospace -1.7% -1.5% -6.5% BELOW
Telecom -1.0% -4.5% -4.1% BELOW
Media & Entertainment -2.3% -3.3% -0.7% ABOVE
Biotech -2.5% -3.3% -3.5% BELOW
Materials -2.5% -4.4% -7.9% BELOW
Analog & Embedded Chips -2.7% -6.1% -9.9% BELOW

Sector Strength

Healthcare +0.6% 20d: -7.5%
UnitedHealth (UNH) +2.9% (20d: -16.5%) [<50MA], Eli Lilly (LLY) -1.8% (20d: +1.5%) [<50MA]

Sector Warnings

Cybersecurity -6.9% 20d: -3.9%
Zscaler (ZS) -7.4% (20d: -7.6%) [<50MA], CrowdStrike (CRWD) -7.2% (20d: -0.3%), Palo Alto Networks (PANW) -6.2% (20d: -3.9%) [<50MA]
Chip Supply Chain -4.5% 20d: +4.1%
Broadcom (AVGO) -6.9% (20d: +37.0%), Marvell (MRVL) -6.2% (20d: +17.2%), Intel (INTC) -5.6% (20d: -19.6%) [<50MA]
Infrastructure -4.2% 20d: -2.1%
Vertiv (VRT) -5.4% (20d: -17.0%) [<50MA], Dell (DELL) -4.7% (20d: -15.9%) [<50MA], Super Micro (SMCI) -4.6% (20d: +24.9%) [<50MA]
Hospitality & Travel -4.1% 20d: -1.0%
Booking (BKNG) -4.1% (20d: -1.3%), Marriott (MAR) -4.1% (20d: -0.7%)
Data Center REITs -4.0% 20d: -1.7%
Digital Realty (DLR) -4.3% (20d: -4.2%) [<50MA], Equinix (EQIX) -3.6% (20d: +0.8%)

Sector Deep Dive

Chip Supply Chain pressured markets intraday as the group fell 4.5% and sits marginally above its 50-day by +0.8% over that window; Marvell (MRVL) led declines, dropping 6.2% to $104.80, and Broadcom (AVGO) fell 6.9% to $220.21, both names showing the 50-day trend has flattened despite recent strength over 20 days. Chip Equipment has positive 20-day returns (+4.7%) but the 50-day picture remains negative (-14.3%), signaling supply-chain earnings risk and inventory digestion that traders should watch across the next 50 trading days.

Mag 7 (AI Spenders) showed a mixed but overall weak profile with the group down 3.9% today and the 50-day composite at +18.6%, illustrating that longer-term leadership is intact even as short-term rotation hits. NVIDIA (NVDA) traded to $128.72 (-1.1%) and is 50-day negative at -2.8%, while Apple (AAPL) at $246.48 (-2.1%) retains a healthier 50-day uptrend of +8.2%. Tesla (TSLA) remains the outlier within the cohort, plunging 8.3% to $440.13 but sitting well above its 50-day at +82.6%, a reminder that dispersion within the Magnificent 7 can drive headline volatility for the S&P 500.

Cybersecurity and Enterprise Software diverged sharply: Cybersecurity slid sharply with CrowdStrike (CRWD) at $87.29 (-7.2%) and Zscaler (ZS) at $185.69 (-7.4%), leaving the sector up only +7.0% over 50 days but below that moving average in aggregate today. In contrast, Enterprise Software finished down 3.9% but remains markedly strong over the 50-day window at +21.4%, suggesting buyers still favor select software names for durable recurring revenue exposure even as cyclically sensitive security stocks reset after prior rallies.

Healthcare showed select resilience intraday with UnitedHealth (UNH) bucking the tape, gaining 2.9% to $481.20, yet the sector is flagged as an active high alert down -15.9% over 50 days and remains below its 50-day moving average. This dichotomy — defensive flow into large-cap managed-care names versus broad weakness across biotech and services — reinforces that sector analysis in the next 50 days should separate mega-cap insurers from the weaker small- and mid-cap healthcare complex.

Market Breadth Analysis

US stock market breadth analysis shows 5 of 24 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 19 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 Energy down -11.1% over 20 days
HIGH Healthcare down -15.9% over 50 days
HIGH Analog & Embedded Chips down -18.4% over 50 days
HIGH 8 sectors declining >5% over 20 days: Healthcare, Airlines, Logistics, Utilities, Energy, Defense & Aerospace, Materials, Analog & Embedded Chips
HIGH 4 sectors declining >10% over 50 days: Healthcare, Chip Equipment, Defense & Aerospace, Analog & Embedded Chips
LOW Energy below 50-day MA with avg 8 consecutive down days
LOW Analog & Embedded Chips below 50-day MA with avg 5 consecutive down days

Stock-Level Detail

Mag 7 (AI Spenders) Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
NVDA $128.72 -1.1% -6.1% -11.6% -2.8% BELOW 5
AAPL $246.48 -2.1% +0.0% +8.3% +8.2% ABOVE 1
GOOG $189.17 -3.5% -1.8% +7.4% +16.7% ABOVE 2
META $594.25 -3.6% -5.3% +5.7% +1.2% ABOVE 2
MSFT $432.26 -3.8% -2.7% +5.5% +5.0% ABOVE 1
AMZN $220.52 -4.6% -3.7% +8.7% +19.1% ABOVE 2
TSLA $440.13 -8.3% +5.3% +28.7% +82.6% ABOVE 1
Chip Supply Chain Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
TSM $191.97 -2.5% +2.1% +4.2% +4.8% ABOVE 2
AMD $121.41 -2.9% -7.0% -11.8% -29.0% BELOW 4
QCOM $148.20 -3.1% -3.3% -0.3% -9.6% BELOW 1
ARM $136.56 -4.4% -7.7% +2.1% -8.0% BELOW 3
INTC $19.30 -5.6% -7.1% -19.6% -17.7% BELOW 2
MRVL $104.80 -6.2% -3.4% +17.2% +44.7% ABOVE 2
AVGO $220.21 -6.9% +23.8% +37.0% +20.3% ABOVE 2
Infrastructure Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
CSCO $55.28 -1.7% -2.2% +0.1% +7.4% ABOVE 1
HPE $19.74 -4.4% -5.7% -2.8% -1.2% BELOW 2
SMCI $32.23 -4.6% -15.0% +24.9% -31.8% BELOW 1
DELL $109.84 -4.7% -5.5% -15.9% -7.6% BELOW 2
VRT $113.91 -5.4% -8.7% -17.0% +5.6% BELOW 2
Enterprise Software Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
ADBE $441.31 -3.1% -7.0% -11.6% -10.7% BELOW 5
CRM $333.35 -3.8% -5.7% +3.7% +17.3% ABOVE 2
PLTR $71.51 -3.9% -2.3% +15.1% +65.8% ABOVE 3
NOW $212.20 -4.8% -7.6% +3.7% +13.0% ABOVE 2
Finance Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
JPM $222.44 -3.4% -4.6% -4.3% +7.9% BELOW 5
GS $534.07 -4.3% -7.0% -5.0% +9.5% BELOW 2
Healthcare Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
UNH $481.20 +2.9% -3.1% -16.5% -15.2% BELOW 0
LLY $756.48 -1.8% -2.3% +1.5% -16.7% BELOW 3
Retail Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
COST $957.03 -1.8% -2.4% +4.0% +6.3% ABOVE 2
WMT $92.30 -2.0% -0.4% +7.5% +16.6% ABOVE 1
IT Services Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
ACN $335.80 -2.7% -3.5% -2.6% -4.4% BELOW 1
IBM $211.85 -3.8% -5.2% +2.6% -5.3% BELOW 4
Airlines Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
DAL $57.73 -3.2% -4.5% -7.5% +15.8% BELOW 5
UAL $91.47 -3.7% -4.7% -3.3% +53.9% ABOVE 2
Hospitality & Travel Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
MAR $273.89 -4.1% -4.3% -0.7% +6.3% ABOVE 2
BKNG $195.34 -4.1% -6.2% -1.3% +15.4% ABOVE 1
Food & Restaurant Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
MCD $280.77 -1.8% -1.9% +0.6% -3.7% BELOW 2
SBUX $86.51 -2.4% -8.1% -8.5% -5.7% BELOW 5
Logistics Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
FDX $213.36 -1.5% -3.7% -4.7% +3.7% BELOW 2
UPS $112.37 -2.7% -4.0% -6.3% -5.8% BELOW 6
Industrial Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
HON $217.18 -2.7% -0.4% +0.1% +6.7% ABOVE 2
CAT $356.96 -3.2% -4.4% -4.6% -7.8% BELOW 5
Cybersecurity Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
PANW $188.76 -6.2% -5.7% -3.9% +4.0% BELOW 2
CRWD $87.29 -7.2% -4.5% -0.3% +17.0% ABOVE 2
ZS $185.69 -7.4% -10.0% -7.6% -0.2% BELOW 2
Chip Equipment Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
ASML $710.19 -2.1% +0.9% +9.3% -14.7% ABOVE 1
AMAT $163.40 -2.9% -2.1% -2.7% -19.1% BELOW 1
LRCX $74.38 -3.4% -0.5% +7.7% -9.0% BELOW 2
Data Center REITs Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
EQIX $896.27 -3.6% -5.0% +0.8% +6.2% ABOVE 1
DLR $169.38 -4.3% -4.8% -4.2% +11.9% BELOW 2
Utilities Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
DUK $100.34 -2.0% -3.1% -7.0% -4.1% BELOW 1
SO $77.60 -2.1% -2.2% -7.4% -7.6% BELOW 1
NEE $67.43 -2.4% -3.7% -7.7% -11.9% BELOW 3
Energy Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
XOM $101.29 -1.5% -4.8% -11.6% -12.1% BELOW 9
CVX $135.13 -2.7% -6.9% -10.7% -2.7% BELOW 7
Defense & Aerospace Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
GD $253.65 -1.1% -0.3% -6.3% -11.8% BELOW 2
LMT $463.62 -1.6% -2.7% -9.1% -19.7% BELOW 6
RTX $111.52 -2.5% -1.4% -3.9% -7.2% BELOW 2
Telecom Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
TMUS $215.09 -0.0% -5.4% -5.9% +4.4% BELOW 5
VZ $35.85 -1.3% -4.4% -4.7% -7.3% BELOW 3
T $20.77 -1.5% -3.8% -1.5% +3.8% BELOW 3
Media & Entertainment Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
DIS $109.29 -1.5% -2.7% -2.1% +19.5% ABOVE 1
NFLX $88.96 -3.2% -3.9% +0.6% +22.3% ABOVE 2
Biotech Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
GILD $87.15 -2.3% -1.0% +3.2% +6.2% ABOVE 1
AMGN $247.03 -2.7% -5.6% -10.1% -19.1% BELOW 4
Materials Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
LIN $413.96 -1.8% -3.7% -5.9% -9.8% BELOW 1
APD $282.35 -3.1% -5.0% -9.9% -5.9% BELOW 3
Analog & Embedded Chips Show individual tickers
Ticker Price 1D 5D 20D 50D vs 50MA Down Days
TXN $177.12 -1.7% -3.5% -6.7% -9.1% BELOW 4
MCHP $53.83 -3.7% -8.7% -13.2% -27.7% BELOW 6

Key Stock Movers

Today's biggest movers by absolute percentage change: Tesla (TSLA) (Mag 7 (AI Spenders)) fell 8.3% to $440.13. Zscaler (ZS) (Cybersecurity) fell 7.4% to $185.69. CrowdStrike (CRWD) (Cybersecurity) fell 7.2% to $87.29. Broadcom (AVGO) (Chip Supply Chain) fell 6.9% to $220.21. Marvell (MRVL) (Chip Supply Chain) fell 6.2% to $104.80. These individual stock movements were key drivers of their respective sector performance.

Risk and Opportunity Assessment

On the risk side, 5 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

Near-term outlook is cautious: 19 of 24 sectors sit below their 50-day moving average and alerts show eight sectors declining more than 5% over 20 days with four sectors down over 10% across 50 days, signaling breadth stress for the S&P 500. Positioning should reduce cyclically exposed long risk and rotate toward balance — selective exposure to Enterprise Software names above their 50-day and defensive Healthcare leaders like UnitedHealth (UNH) can hedge downside while monitoring chip supply-chain signals over the next 50 days. Watch alert counts and sector breadth as triggers to re-enter growth risk once multiple 50-day trends stabilize and fewer sectors trade below their 50MA.

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