Dow jumps 380 points as chip rally lifts Wall Street ahead of Big Tech earnings

• Semiconductor stocks led the gains with the VanEck Semiconductor ETF up 4%, Micron surging 12%, Intel rising 8%, and Marvell climbing 6% ahead of key tech earnings from Alphabet, IBM, Intel, and Texas Instruments
• Corporate earnings season continues strong with 88% of 66 reporting S&P 500 companies exceeding analyst expectations; 3M gained 5% on better-than-expected results
• Markets largely overlooked geopolitical tensions as US conducted 10th consecutive night of strikes on Iran and oil prices rose to five-week highs near $85 per barrel for WTI and $91 for Brent crude

Market Summary: Dow Jumps 380 Points on Semiconductor Rally

Key Market Movements

US equities closed sharply higher Tuesday, with the Dow Jones Industrial Average rising 384.46 points (+0.74%) to 52,223.72. The S&P 500 gained 0.86% to 7,507.32, while the tech-heavy Nasdaq Composite climbed 1.26% to 25,829.61.

Semiconductor Sector Leads Rally

Chipmakers drove market gains following recent steep losses. The VanEck Semiconductor ETF (SMH) surged 4%, with standout performances from:

• Micron Technology: +12%
• Intel: +8%
• Marvell Technology: +6%
• Astera Labs: +3%

The Philadelphia Semiconductor Index continued its recovery after confirming a bear market last week (falling over 20% from late-June highs), though it remains up approximately 75% year-to-date.

Earnings Season Momentum

The rebound occurs ahead of major tech earnings from Alphabet, IBM, Intel, Tesla, and Texas Instruments. Investors are closely watching for updates on AI spending and semiconductor demand. Q2 earnings season shows strength, with 88% of the roughly 66 S&P 500 companies reporting beating analyst expectations.

Individual movers included 3M (+5%) and General Motors, both beating estimates, while Hasbro gained after raising annual guidance.

Geopolitical Backdrop

Despite ongoing US-Iran conflict (10th consecutive night of strikes) and President Trump's announcement of 50% tariffs on Canadian imports, markets focused primarily on corporate earnings. Oil prices rose approximately 2%, with WTI crude reaching $85 per barrel and Brent around $91, driven by Middle East tensions and Houthi threats to Red Sea shipping.

Market Implications

Information technology led S&P 500 sector gains, signaling renewed investor appetite for tech and AI-linked stocks ahead of critical earnings catalysts.