A month ago many computer-driven investors watched astonished as markets were wracked by a financial tempest, with once-hot stocks tumbling and previously shunned sectors enjoying a revival.
一个月前，许多计算机驱动的投资者惊讶地发现，一场金融风暴袭击了市场，曾经炙手可热的股票暴跌，而不被看好的板块却复苏了。
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