Stock market today: Dow, S&P 500, Nasdaq slide amid upbeat bank earnings, Iran fears

US stocks retreated on Wednesday as more big bank earnings rolled in, with investors on watch for fresh inflation data, a potential Supreme Court ruling on US tariffs, and signs of potential US military action on Iran. The tech-heavy Nasdaq Composite (^IXIC) slid 0.8%, while the S&P 500 (^GSPC) fell nearly 0.6%. Meanwhile, the Dow Jones Industrial Average (^DJI) moved down around 0.2%, coming off a pullback in financial stocks that dragged Wall Street indexes off record highs. Worries rose about US acti ...