Equity market was chopping along in a relatively narrow range Thursday until the late-day news of a possible downgrade of the credit ratings of General Electric (GE) took the wind out of the market.

• 上周五美股以涨跌互现的收盘结束了一周的震荡行情。上周五上午，布希政府救助汽车制造商的消息使得股市大涨，迅速朝一周高点挺进，但最终冲高回落。