Price volatility, information and noise trading: Evidence from Chinese stock markets
Price volatility, information and noise trading: Evidence from Chinese stock markets
In China, domestic firms can issue A- and B-shares. Before Feb 2001, Domestic investors can only invest A-shares while foreign investors can only trade B-shares. This paper makes use of this special feature in testing information and trading noise hypotheses. We find that A-share prices are more volatile than B-share prices even though they are issued by the same companies and are traded in the same stock market. We further find that A-share prices are much more volatile only during the daytime