US stocks today: S&P, Nasdaq plunge 1% at open as yields jump on inflation worries
- Posted on May 15, 2026
- By Business News Today
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- 1 min read
US stocks today: S&P, Nasdaq plunge 1% at open as yields jump on inflation worries
Wall Street indexes opened sharply lower on Friday, as inflation fears triggered by the Middle East conflict drove up Treasury yields and threatened to halt an AI-fueled rally.