Dr NitinMohammed S M ALYOSEF2022-05-292022-05-2926178https://drepo.sdl.edu.sa/handle/20.500.14154/49131IMPACT'OF'DIVIDEND'ANNOUNCEMENTS'ON'ABNORMAL' RETURNS'FOR'FIRMS'IN'THE'FTSE'100'INDEX:'AN' ANALYSIS'OF'DIVIDEND'INCREASE'AND'DECRE!AThesis