摘要
本文采用事件研究法考察了2004~2011年所有证券分析师的股票推荐,得到以下结论:(1)大盘趋势比荐股的市场效应重要;(2)大盘趋势通过高股价同步性和中期惯性影响个股投资价值;(3)大盘处于下跌趋势时,公开发布的买入推荐具有较多的私有信息;上涨趋势时公开发布的买入推荐具有较少的私有信息;不论处于何种趋势,卖出推荐几乎没有私有信息。
By using Event Study, this article investigates nearly all securities analysts' recommendations during 2004-2011 and get a series of empirical findings and corresponding investment strategies.Further analysis gave birth to the following conclusions:(1) Market price trend is more impotant than market effect. (2)The market trend influences individual stocks by severe stock price syn- chronisity and medium term momentum.(3) When the market is in a downward trend, the publicly released buy recommendations contain more private information; When in a upwardtrend, publicly released buy recommendations contain less private informa- tion; No matter what the trend, sell recommendations almost contain no private information.(4)China's publicly released recom- mendations contain more and more private information.
出处
《投资研究》
北大核心
2012年第12期87-100,共14页
Review of Investment Studies
关键词
证券分析师
投资价值
散户
股价同步性
私有信息
Securities Analysts, Investment Value, Individual Investors, Stock Price Synchronisity, Private Information