Nvidia has surpassed both Microsoft and Apple to become the world’s most valuable company for the first time. Shares of the U.S. tech giant, known for its artificial intelligence (AI) chips, climbed by 3.5% in New York, bringing Nvidia’s market valuation to $3.34 trillion (£2.63 trillion). Microsoft, previously leading, now follows closely with a market cap of $3.32 trillion, while…