Microsoft Among AI Leaders Driving S&P 500 Despite 118 Stocks Down Over 10%

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Selective AI leaders including Microsoft are solely powering the S&P 500’s record highs, while 118 non-AI stocks have fallen more than 10% since late February; only 82 AI-related names have gained at least 10%. This divergence highlights frothy valuations as investors chase AI-driven growth despite limited near-term cash flows.

1. AI Leaders Fueling S&P Rally

The S&P 500's recent record highs are driven by a small group of AI-focused companies, led by Microsoft, Nvidia and Broadcom. Since late February, only 82 stocks, mostly AI-related, have posted gains of at least 10%.

2. Non-AI Stocks Under Pressure

Outside the AI heavyweights, 118 S&P 500 components have declined over 10% driven by rising input costs and regional tensions. Economically sensitive sectors like agriculture and materials have seen the steepest drops, leaving the broader market essentially flat without AI gains.

3. Bubble Concerns and Valuation Risks

The concentration of gains has sparked debate over frothy AI valuations as investors fund new data centers despite delayed free cash flow from AI developers. History warns that early exits can be risky, leaving participants to gamble on whether AI will justify today’s premiums.

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