高抛低吸为什么可以降低成本？

股市低吸指投资者在股票价值处于低位时买入，从而保证在投入相同的资金下获得更多的股票份额，高抛指股价上升到高位之后卖出从而赚取差价。如投资者利用持有资金做T，在股票上涨时卖出、下跌时买入从而保证资金...

股市低吸指投资者在股票价值处于低位时买入，从而保证在投入相同的资金下获得更多的股票份额，高抛指股价上升到高位之后卖出从而赚取差价。如投资者利用持有资金做T，在股票上涨时卖出、下跌时买入从而保证资金减少而持有份额不变。

比如投资者持有某股票1000股，持仓成本为1元每股，如果该股票股价降低到0.8元时再次买入1000股，然后等股价上涨到1元之后卖掉之前的股票，那么持有份额还是1000股，但是持仓成本则变为0.8元。

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.