Nvidia Corp. (NVDA) shares rose to an all-time high on Wednesday, with the leader in artificial intelligence chips extending an advance that has cemented its position as one of the most valuable companies in the world. At one point during Wednesday's trading, a Nvidia had a market cap of about $3.77 trillion, overtaking Microsoft Corp. (MSFT) at $3.66 trillion. Bloomberg's Ed Ludlow reports.

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