Why Is Microsoft ( $MSFT ) Stock Up +3.71% Today? (Find out why any stock moved today on Tickeron.) MSFT shares jumped about +3.71% in afternoon trading, climbing to roughly $516.42 from a prior close of $497.93. The primary catalyst was Microsoft's unveiling of a redesigned Copilot app featuring new "Home," "Code," and always-on "Autopilot" AI agent capabilities. A recent wave of bullish Wall Street calls — including Stifel's upgrade to Buy with a $575 price target — provided a supportive secondary tailwind. 4NOW $CDNS $COIN $CLSK $ADSK