This study investigates the market reaction to the changes in dividend announcements at the Malaysia stock exchange formally called Bursa Malaysia. Data is gathered for a sample of 356 dividend announcement made by 138 firms pined in the main market between the years 2008 to 2011. The results show that the market reacts positively to dividend increasing stocks but no significant react to the constant dividend or the decreasing group of dividend announcements. It was also observed from the information in a day prior to the announcement day that there is a probable leakage of information by the excess access to the insider information of the firms.