For the first time in 539 trading days, there’s a new market-value leader in town. Microsoft Corp. MSFT, +0.69% has overtaken Apple Inc. AAPL, -0.97% in terms of valuation for the first time since late 2021, based on intraday stock moves. Microsoft, with its shares up 0.9% early in Thursday’s session, has a market value of $2.87 trillion, while Apple, with its stock down 1.1$2.86 trillion. ...