While most sectors in the S&P 500 took a breather after a three-day run, the cohort of tech megacaps kept powering ahead. (Image: Bloomberg) Show Quick Read Summary is AI Generated. Newsroom Reviewed

A rally in the world’s largest technology companies left stocks at all-time highs amid speculation that artificial intelligence will keep driving earnings for the group that has powered the bull market.

While most sectors in the S&P 500 took a breather after a three-day run, the cohort of tech megacaps kept powering ahead. Microsoft Corp. climbed 2% after finalizing a new pact with OpenAI that will give the software giant a 27% ownership stake worth about $135 billion. Apple Inc. briefly topped $4 trillion. Nvidia Corp. plans to make a $1 billion equity investment in Nokia Oyj.

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