集合竞价能撤单吗？

开盘集合竞价9:15-9:20能撤单，9：20-9：25不能撤单，收盘集合竞价14：57-15:00均不能撤单。其他交易时间内，未成交的单可以撤销。 无法撤单可能是以下原因：委托是废单，无需撤单...

开盘集合竞价9:15-9:20能撤单，9：20-9：25不能撤单，收盘集合竞价14：57-15:00均不能撤单。其他交易时间内，未成交的单可以撤销。

无法撤单可能是以下原因：委托是废单，无需撤单。委托已成交，无法撤单。委托成功，没有成交，每个交易日9:20至9:25的开盘集合竞价阶段、14:57至15:00的收盘集合竞价阶段，沪深交易所均不接受撤单申报；其他接受交易申报的时间内，未成交申报可以撤销。若盘中没有撤单，第二天需要重新委托。

MCSE boot camps have its supporters and its detractors. Some people do not understand why you should have to spend money on boot camp when you can get the MCSE study materials yourself at a fraction of the camp price. However, who has the willpower to actually sit through a self-imposed MCSE training.

MCSE boot camps have its supporters and its detractors. Some people do not understand why you should have to spend money on boot camp when you can get the MCSE study materials yourself at a fraction of the camp price. However, who has the willpower.

MCSE boot camps have its supporters and its detractors. Some people do not understand why you should have to spend money on boot camp when you can get the MCSE study materials yourself at a fraction of the camp price. However, who has the willpower.