An efficient market is one in which the market price of the security always fully reflects all available information, so it is difficult, if not impossible,to consistently outperform the market by picking undervalued stocks. It is argued that in an efficient market, random price movements simply reflect a highly competitive market where investors quickly use and digest any new information.
谢谢你哦,你是不是读finance的?我还有个问题就是Most studies suggest that the stock market is highly efficient in the weak form。为什么说weak form是highly efficient?作者: Junk 时间: 2015-3-27 12:03 AM
leng1995 发表于 2015-3-26 10:40 PM
谢谢你哦,你是不是读finance的?我还有个问题就是Most studies suggest that the stock market is highl ...