Neumark, David; Tinsley, P A; Tosini, Suzanne - In: Journal of Finance 46 (1991) 1, pp. 159-78
After-hours pricing in foreign equity markets of multiple-listed U.S. securities appeared to be efficient in predicting New York prices in the weeks immediately following the October 1987 crash, but relatively uninformative in succeeding months. By contrast, daily changes in New York prices...