yjystr 发表于 2012-11-2 03:14
The determinant factor influencing stock indexes may be investors' confidence. Although Sandy caused ...
Partially agreed. you said that investor's confidence determine the stock indexes, and I have the same idea. But in America, individual investors take a great part in the stock market i guess. So, the trepidation among the individual investors may turn the stocks lower. Besides, some other social problems like unemployment may increase the anxiety, leading to much greater influence.