pick up the higher in the sector.
我没有back testing internet bubble. 但是我是从sp500里面挑出来的,回到internet bubble时代,那些出问题的股份好多也不在sp500里面,再说我technology 一共就20%多点。而且最后剩下的几十个,我还是人工一个一个的看了一轮的
pick up the higher in the sector.
我没有back testing internet bubble. 但是我是从sp500里面挑出来的,回到internet bubble时代,那些出问题的股份好多也不在sp500里面,再说我technology 一共就20%多点。而且最后剩下的几十个,我还是人工一个一个的看了一轮的
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