Wall Street finishes sharply higher, supported by a large jump in Microsoft shares. Multiple reports say the technology company gains strongly after delivering a forecast that eases investor concerns about the scale of spending required for AI infrastructure. Microsoft’s surge is described as its biggest daily percentage gain in about 18 years, with one outlet citing a move of more than 15%. The rally contributes to a broader market rebound, with chip stocks also rising alongside Microsoft’s advance. The combined effect lifts major indexes by the end of the trading session, with investors reacting to expectations for Microsoft’s AI-related business and spending priorities. One source also highlights the magnitude of Microsoft’s market-cap increase from the move, describing it as among the largest single-day gains on Wall Street for a company. Overall, the closing gains reflect a shift in market sentiment toward technology and semiconductor companies following Microsoft’s outlook.