Stock market today: Dow, S&P 500, Nasdaq falter as US GDP cools, Fed-favored PCE inflation heats up

US stocks slid on Friday as investors digested economic data that showed US economic growth cooling in the fourth quarter, while the Fed's favored inflation gauge heated up to end last year. Wall Street also kept an eye out for US-Iran tensions, private credit jitters, and a potential Supreme Court tariff decision. The S&P 500 (^GSPC) moved down roughly 0.3%, while the Dow Jones Industrial Average (^DJI) fell by a steeper 0.4%, coming off the end of a three-day winning streak on Thursday. The Nasdaq Compo ...