This paper investigates the presence of abnormal returns through the use of trading strategies that exploit the predictability of short run stock price movements. Based on historical returns of the largest set of individual securities in the UK stock market examined to date, this paper...

Major global events can lead to a change in the cross-country correlation of assets. Using stock prices from 25 economies, we test whether the terrorist attack in the U.S. on September 11, 2001, resulted in a contagion - an increase in correlation across global financial markets. Unlike prior...