TY - JOUR A2 - Sadorsky, Perry AU - Qureshi, Muhammad Azeem AU - Abdullah, Ali AU - Imdadullah, Muhammad PY - 2012 DA - 2012/08/29 TI - Stock Prices’ Variability around Earnings Announcement Dates at Karachi Stock Exchange SP - 463627 VL - 2012 AB - The purpose of this study is to investigate how earnings announcement event affects stock returns at Karachi Stock Exchange (KSE). For this purpose we use the KSE-100 Index as our sample. We use the CAR Analysis to analyze the impact of earnings announcement over the stock returns around announcement dates. Our results suggest that KSE experiences abnormal stock returns around earnings announcement dates for the overall market and for different categories which indicate that efficient market hypothesis does not hold in Pakistani market and point out the presence of informational dissemination inefficiencies in the market. SN - 2090-2123 UR - https://doi.org/10.1155/2012/463627 DO - 10.1155/2012/463627 JF - Economics Research International PB - Hindawi Publishing Corporation KW - ER -