Wall Street stocks finished an ugly session with hefty losses Wednesday following US consumer inflation data that exacerbated worries about a sudden shift in monetary policy. At the closing bell, the Dow Jones Industrial Average was at 33,587.07 after declining 2.0 percent or around 680 points. The broad-based S&P 500 fell 2.2 percent to 4,062.90, while the tech-rich Nasdaq Composite Index tumbled 2.7 percent to 13,031.68. jmb/cs