AI Earnings Propel S&P 500 and Dow to Record Highs as Investor Confidence Surges

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Strong earnings from AI-linked companies including Palantir and ON Semiconductor drove major U.S. stock indices to record highs. Palantir soared nearly 30% after raising its annual revenue forecast, while Caterpillar jumped on AI data center demand. The S&P 500 closed at its first record since July as 85.2% of companies beat second-quarter estimates.

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AI-Driven Earnings Fuel Market Rally

U.S. stock markets surged to record highs as strong earnings from AI-linked companies reassured investors that massive spending in artificial intelligence is delivering tangible returns. The S&P 500 gained 137.20 points, or 1.81%, closing at 7,737.70 points on Tuesday, marking its first record high since July 2

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. The Dow Jones Industrial Average rose 912.25 points, or 1.72%, to 54,090.66, securing its second consecutive closing high

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Palantir Technologies emerged as a standout performer, soaring nearly 30% in its biggest daily percentage gain since February 2024 after raising its annual revenue forecast

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. The company's strong performance signals robust government and commercial demand for its AI-powered data analytics software

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. Chipmaker ON Semiconductor added 7.5% after forecasting quarterly revenue above expectations, betting on surging demand for power management chips used in AI data centers

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Caterpillar Signals AI Infrastructure Boom

Caterpillar, viewed as a bellwether for the global industrial economy, jumped after raising its annual revenue growth forecast. The buildout of AI data centers has fueled demand for the company's power-generation and construction equipment

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. The construction equipment giant's move made it the biggest boost to the Dow Industrials, accounting for more than 300 points to the upside

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. The company reported a second-quarter profit that nearly doubled from a year earlier

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Semiconductor Stocks Rally on AI Optimism

Chip stocks surged as investors bet on continued AI spending. The Philadelphia Semiconductor index shot up nearly 7%, rising for a fourth straight session after tumbling 20.6% in July

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. Other AI-linked stocks including Micron added 3.5%, Nvidia rose almost 1%, and Marvell climbed 8.5%

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. The S&P 500 tech sector gained as the best performing of the 11 major S&P sectors

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SpaceX and AMD Face Investor Skepticism

Despite beating expectations, SpaceX and AMD faced selling pressure. SpaceX's revenue nearly doubled and operating losses narrowed in its first earnings report since going public, fueled by its booming Starlink satellite communications and AI businesses. However, shares slid 12.5% in early trading after executives flagged that spending underpinning its lofty ambitions was far from over

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. Advanced Micro Devices forecast quarterly revenue above estimates reflecting strong AI demand, but shares slipped 6.5% as investors sought a stronger outlook to justify the stock's 142% jump this year

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Earnings Season Exceeds Historical Standards

This earnings season has delivered results better than historical standards. Of the 304 companies in the S&P 500 that reported second-quarter earnings as of Friday, 85.2% beat estimates, versus the long-term average of 67.5%

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. Every major S&P sector showed profit growth

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. Strong results from AI leaders Microsoft and Amazon last week provided relief and underpinned gains on Wall Street following a turbulent July

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Oil Prices and Rate Expectations Shift

Crude prices dropped about 5% after a Qatari official said efforts to secure a diplomatic resolution to the Middle East conflict were continuing, while U.S. Treasury Secretary Scott Bessent said a deal with Iran to reopen the Strait of Hormuz could come within the next two days

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. The tumble in oil prices dented expectations for a rate hike from the Federal Reserve at its September meeting down to 56.9% from 67.2% in the prior session

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. Traders initially saw a 63.4% chance that the central bank would hike rates by at least 25 basis points

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