id	keyword
ajeer-2953	market
ajeer-2953	stock
ajeer-2953	event
ajeer-2953	hypothesis
ajeer-2953	test
ajeer-2953	hose
ajeer-2953	journal
ajeer-2953	efficiency
ajeer-2953	index
ajeer-2953	returns
ajeer-2953	stock market
ajeer-2953	study
ajeer-2953	ratio