Moneycontrol.com | US STOCKS-Banks sink on European economic worry Reuters The NYSEArca computer hardware index lost 1.8 percent. After the market's close, shares of computer maker Hewlett-Packard fell 1.4 percent after reporting quarterly revenue below expectations. About 6.3 billion shares changed hands on the New York ... Wall Street flat after housing data; S&P near key level S&P fails to break key level Wall Street flat as S&P stalls at key level, banks off |