“…Accordingly, responses to an event might not be fully on the event day itself so that the period over which the market participants will response to an event is not limited to the event day itself (that is, the day of the bonus issue announcement). Consistent with this view, the empirical studies conducted by Lonie, Abeyratna, Power and Sinclair (1996), Balachandran and Tanner (2001), Barnes and Ma (2002), and many other studies in both developed and emerging stock markets have used an event window consisting of three days, the announcement day of the bonus share issue (t = 0), and one day preceding (t and succeeding the announcement day (t = +1).…”