Stock market today: Dow slips as JPMorgan slides, S&P 500, Nasdaq little changed with all eyes on Fed decision

US stocks were mixed on Tuesday as the Federal Reserve's December policy meeting kicked off and federal data showed job openings unexpectedly ticked higher even as layoffs jumped. The benchmark S&P 500 (^GSPC) closed just below the flatline. The tech-heavy Nasdaq Composite (^IXIC), which initially led stocks down, turned around to gain around 0.1%. The blue-chip Dow Jones Industrial Average (^DJI) declined 0.4%, dragged down by shares of JPMorgan (JPM). The stock fell over 4% after an executive warned th ...