关于股票价格变化的其他几种说法
1. random-walk behavior of stock prices
future changes in stock prices should, for all practical purposes, be unpredictable.
①stock prices will respond to announcements only when the information being announced is new and unexpected.
②overconfidence and social contagion provide an explanation for stock market bubbles.
posted on 2020-02-25 09:34 mark_wang001 阅读(152) 评论(0) 编辑 收藏 举报