Nvidia and the major indexes were little changed ahead of Thursday's market holiday and Friday's jobs report. But quantum computing stocks IonQ and Rigetti dived.
Investors absorbed a report that President-elect Donald Trump is considering declaring a national economic emergency to pave the way for proposed tariffs.
US benchmark equity indexes were lower intraday amid declines in certain mega-cap stocks. The Nasdaq Composite was down 1.5% at 19,569.1 after midday Tuesday, while the S&P 500 fell 0.7% to 5,932.8.
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