offical explanation or rumor?

来源: vikings 于 2010-05-06 21:24:28 [] [旧帖] [给我悄悄话] 阅读数 : (215 bytes)
回答: today's news--Nasdaq to cancel trades 由 戏雨飞鹰 于 2010-05-06 16:22:06

the official news is program trading error caused market sudden drop and protection mechanism exist in many High-frequency trading firms shut down trading machines exaggerated the situation.

The rumor is ..

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