NEW YORK — U.S. stock indexes are holding near their record heights on Tuesday as Wall Street takes a moment following a relentless rally.

The S&P 500 was virtually unchanged in morning trading. The Dow Jones Industrial Average was up 292 points, or 0.6%, as of 9:55 a.m. Eastern time, and the Nasdaq composite was 0.3% lower. All three indexes are coming off their latest all-time highs set the day before.

Nvidia weighed on the market after giving back some of its big gain from the day before, when it announced a partnership with OpenAI to build out data centers. Wall Street’s most influential stock fell 2%.

But a 2.5% rise for Boeing helped support the market after the aerospace company said Uzbekistan Airways agreed to buy 14 of its Dreamliner airplanes and may add eight more to the ord

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