This study investigates the impact of foreign investors on the informational efficiency of stock prices in local markets. Using a large sample of Japanese firms over the period 1976 to 2008, we find that prices deviate less from a random walk for stocks with a large change in foreign ownership....

This study investigates the relation between large foreign ownership (LFO) and the informativeness of stock prices in 40 markets. We show that LFO is positively related to price informativeness, measured by probability of informed trading (PIN) and price non-synchronicity (NONSYNC) which...