Strip out AI and chip stocks and the S&P 500 is down 5.7% since late August

ylecun · x · 2026-10-07

Investor Steve Rattner cites data showing that excluding AI and chip stocks, the S&P 500 has actually fallen 5.7% since late August. Over the same stretch the full index is up 2.4%, while chip stocks are up 16% — meaning AI is essentially holding the entire market up. Yann LeCun amplified the post.

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