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2026.04.21 03:51

Last night's US stock market recap: Nasdaq's 13-day winning streak ends, ARM bucks the trend +5%, TSLA earnings report tonight.

Market Results

Index Change Level
S&P 500 -0.24% 7109
Nasdaq -0.26% 24404
Dow Jones -0.01% 49442

Nasdaq's 13-day winning streak ends.

The decline was smaller than expected (-0.5%~-1.5%)—the reason was Iran's statement that day expressing willingness to participate in a second round of negotiations, partially hedging panic sentiment. Geopolitical risks remain, but market resilience exceeded expectations.


Sector Performance

Security Change Reason
ARM +5.08% → $175.10 Susquehanna + Bank of America both raised price targets on the same day, further rising to $177.54 after-hours
NVDA +0.19% Steady
TSLA -2.02% → $392.50 Pre-earnings selling pressure, releasing tonight
USO (Crude Oil) +4.55% WTI crude oil +6.87%, closing at $89.61/barrel
QQQ -0.32% Following the broader market

Why ARM Surged Against the Trend

Two research reports released on the same day created a combined effect:

  • Susquehanna: Sustained data center demand continues to drive semiconductor upside, ARM will continue to increase its CPU market share among hyperscale cloud providers.
  • Bank of America: Raised the server CPU industry CAGR forecast to 15%, raised ARM's price target from $155 to $180.

Underlying logic: In the AI Agentic era, the CPU:GPU ratio narrows from 1:8 to 1:1, with ARM architecture being the biggest beneficiary.


My Trades

This time, I bought QQQ according to the monthly DCA plan, switching to execution after the day session opens (previously it was always the night session). Bought below the day's closing price, execution quality is satisfactory.

Persisted in executing DCA amidst geopolitical risks because: Buying on down days is precisely the advantage of DCA; over a 10-year horizon, today's price difference is almost negligible.


Tonight's Focus: TSLA Earnings

Tesla releases Q1 earnings tonight, market expectations are conservative (Q1 delivery miss is already consensus).

Key things to watch:
- FSD / Robotaxi commercialization progress
- Whether Musk gives strong guidance
- Energy business growth

If guidance exceeds expectations → possible significant rebound; if continues to disappoint → selling pressure persists.

The ceasefire agreement expires today, Iran negotiation progress remains the macro main theme, continue to monitor.

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