| The objective of this research is to answer the hypothesis are there any investors reaction on stock split announcement toward abnormal return and trading volume activity at listed companies at Bursa Efek Indonesia in 2015? This research focus on even study toward investor reaction to information announced by company such as stock split. Some theories are relevant with this research such as even study, market efficiency, signalling theory, and trading range theory. This research using secondary data that published by Bursa Efek Indonesia (BEI), or Kustodian Sentral Efek Indonesia (KSEI). For testing the hypothesis this research using t test to accept or reject the hypothesis. This research found there are no significant abnormal return surrounding stock split announcement but there are significant trading volume activity surrounding stock split announcement, this research also found there are significant different abnormal return after stock split announcement but there are positif significant trading volume activity after stock split announcement. |