The study is intended to study the impact of profit announcements regarding the company's stock listed on the stock exchange, Thai. SET INDEX between 1982 to 2551 (2008) 2555 (2012), with the exception of the securities in the financial business industry group. Not as a company that is undergoing reconstruction. By parsing a quarterly analysis and classification by size ... 5 time: 11 days, 20 days, 3 days, 7 days and 1 day by day that announced earnings date happens is 0 day to test whether there is an unusual compensation occurred during the company's earnings announcement. The significance level 0.5
การแปล กรุณารอสักครู่..