Walmart (WMT) returned 40% in March 1975.

DATE	OPEN	HIGH	LOW	CLOSE	VOLUME
March 31 1975	$0.007	$0.007	$0.007	$0.007	9,984,000
March 27 1975	$0.007	$0.007	$0.007	$0.007	2,304,000
March 26 1975	$0.007	$0.007	$0.007	$0.007	5,376,000
March 25 1975	$0.007	$0.007	$0.007	$0.007	2,457,600
March 24 1975	$0.007	$0.007	$0.007	$0.007	5,990,400
March 21 1975	$0.007	$0.007	$0.007	$0.007	10,752,000
March 20 1975	$0.007	$0.007	$0.007	$0.007	3,225,600
March 19 1975	$0.007	$0.007	$0.007	$0.007	12,595,200
March 18 1975	$0.007	$0.007	$0.007	$0.007	3,840,000
March 17 1975	$0.007	$0.007	$0.007	$0.007	8,908,800
March 14 1975	$0.007	$0.007	$0.007	$0.007	5,990,400
March 13 1975	$0.007	$0.007	$0.007	$0.007	5,376,000
March 12 1975	$0.007	$0.007	$0.007	$0.007	15,360,000
March 11 1975	$0.007	$0.007	$0.007	$0.007	19,046,400
March 10 1975	$0.006	$0.007	$0.006	$0.007	4,915,200
March 07 1975	$0.005	$0.006	$0.005	$0.006	9,062,400
March 06 1975	$0.005	$0.005	$0.005	$0.005	4,915,200
March 05 1975	$0.005	$0.005	$0.005	$0.005	1,843,200
March 04 1975	$0.005	$0.005	$0.005	$0.005	1,689,600
March 03 1975	$0.005	$0.005	$0.005	$0.005	1,382,400