Wall Street’s rally took a breather as Nvidia Corp. led losses in megacaps, though broader-market declines were limited by continued optimism that the largest shutdown in US history is coming to an end.

Following its best session since May, the cohort of big tech weighed on equities. SoftBank Group Corp. sold its entire stake in Nvidia for $5.83 billion to help bankroll artificial-intelligence investments, with the chipmaker dropping 3% Tuesday. CoreWeave Inc. tumbled 14% as a lower forecast marked a setback for a company that is racing to keep up with the AI boom.

With the bond market closed for Veterans Day, Treasury futures rose while the dollar fell as ADP Research data suggested the labor market slowed in the second half of last month. Traders have relied on private data as the gove

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