The S&P 500 pulled back from its all-time high this week, retreating to the 7,690 range after briefly crossing 7,800 for the first time ever, as a rotation out of technology and AI stocks triggered the market's most significant decline since early August.
The benchmark index closed at 7,708 on August 19, down from the record close of 7,798.99 set on August 13. The pullback erased roughly $800 billion in market capitalization as investors reassessed positions in the year's best-performing sector.
Technology and semiconductor stocks bore the brunt of the selling. Nvidia fell 4.2% over two sessions, while Intel dropped 6.1% after reports that AI infrastructure spending growth may be slowing. The Philadelphia Semiconductor Index declined 3.8% for the week.
Analysts attributed the retreat to a confluence of factors: profit-taking after a relentless rally that pushed the S&P 500 up more than 13% year-to-date, seasonal weakness typical of late August and September, and growing concern that AI capital expenditures may not translate into revenue as quickly as hoped.
Despite the decline, underlying economic fundamentals remain supportive. July inflation data showed core prices rising 2.5% year-over-year, down from 4.2% in May, giving the Federal Reserve room to maintain its pause on interest rate changes. The 10-year Treasury yield held steady near 4.1%.
Wall Street strategists remain divided on whether the pullback represents a healthy correction or the start of a deeper retrenchment. Goldman Sachs maintains its year-end S&P 500 target of 7,850, while Morgan Stanley has warned that stretched valuations in the AI sector could drive a 10% correction before year end.
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