Sorry, available market cap data for Rockwell Automation (ROK) starts on July 1, 1985. Rockwell Automation (ROK) has a market capitalization of $39B, based on 112.43M shares at a price of $346.57 (down 1.5% today).

DATE	OPEN	HIGH	LOW	CLOSE	VOLUME
December 31 1982	$3.45	$3.47	$3.43	$3.45	273,200
December 30 1982	$3.52	$3.56	$3.47	$3.48	166,000
December 29 1982	$3.56	$3.58	$3.53	$3.54	115,200
December 28 1982	$3.61	$3.64	$3.57	$3.57	170,400
December 27 1982	$3.62	$3.67	$3.57	$3.65	357,200
December 23 1982	$3.55	$3.56	$3.54	$3.56	94,800
December 22 1982	$3.57	$3.60	$3.53	$3.53	302,800
December 21 1982	$3.51	$3.54	$3.47	$3.53	358,000
December 20 1982	$3.50	$3.52	$3.46	$3.50	272,800
December 17 1982	$3.51	$3.52	$3.49	$3.50	558,400
December 16 1982	$3.52	$3.55	$3.49	$3.51	389,600
December 15 1982	$3.55	$3.57	$3.52	$3.54	287,600
December 14 1982	$3.62	$3.65	$3.58	$3.58	619,200
December 13 1982	$3.56	$3.59	$3.52	$3.58	171,200
December 10 1982	$3.50	$3.52	$3.48	$3.51	113,600
December 09 1982	$3.52	$3.54	$3.49	$3.50	221,600
December 08 1982	$3.54	$3.57	$3.50	$3.50	260,000
December 07 1982	$3.56	$3.61	$3.51	$3.55	1,262,000
December 06 1982	$3.46	$3.48	$3.43	$3.48	976,400
December 03 1982	$3.46	$3.50	$3.42	$3.43	548,800
December 02 1982	$3.47	$3.53	$3.40	$3.48	734,400
December 01 1982	$3.41	$3.47	$3.35	$3.42	523,200
November 30 1982	$3.32	$3.37	$3.28	$3.36	192,400
November 29 1982	$3.28	$3.29	$3.26	$3.27	159,600
November 26 1982	$3.27	$3.28	$3.25	$3.26	109,600