美股熊市一般持续多久？

1年多。统计1950-2020年期间美股的数据可以发现，标准普尔指数跌幅达到20%以上的次数经历了11次，一般而言美股市场把跌幅20%以上的行情就称为熊市了。平均而言熊市需要经历388.8天，也就...

1年多。统计1950-2020年期间美股的数据可以发现，标准普尔指数跌幅达到20%以上的次数经历了11次，一般而言美股市场把跌幅20%以上的行情就称为熊市了。平均而言熊市需要经历388.8天，也就是大约1年零3周的时间才能触底。

但是自从1987年底以来，现代信息社会使得信息和数据传输越来越快和透明，出现熊市的频率已经减少了，然而熊市一旦发生，持续的时间往往会更长。比如2000年发生的互联网泡沫熊市持续了929天，2007年金融危机熊市长达517天。虽然美股没有两次熊市持续时间是一样的，但也可以预期发生于2022年的这一轮熊市有可能至少会大于平均的时间388.8天。

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.