Blue chips , Citibank, Continental Airlines, General Electric etc., and tech stocks, Microsoft, Intel, Cisco, Oracle, Dell and Sun Microsystem etc., all closed lower.

• 花旗银行、大陆航空、通用电气等蓝筹股以及微软、英特尔、思科、甲骨文、戴尔、太阳微电子等科技类均告下跌。