Nvidia hits $3T, faces antitrust challenges

Antitrust police going after Nvidia (NVDA), Microsoft (MSFT) and OpenAI - NYT. (00:24) Amazon (AMZN) unit Zoox expands robotaxi testing to Austin, Miami. (02:02) Tempus (TEM), AI-based diagnostics maker, sets terms for $400M IPO. (02:51)

Episode transcripts seekingalpha.com/wsb.

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