Sorry, available market cap data for Deere (DE) starts on October 1, 1985. Deere (DE) has a market capitalization of $156.7B, based on 269.9M shares at a price of $580.69 (down 1% today).

DATE	OPEN	HIGH	LOW	CLOSE	VOLUME
December 31 1980	$2.48	$2.50	$2.48	$2.50	151,200
December 30 1980	$2.53	$2.53	$2.47	$2.47	249,600
December 29 1980	$2.52	$2.54	$2.52	$2.54	484,200
December 26 1980	$2.40	$2.49	$2.40	$2.49	593,400
December 24 1980	$2.37	$2.40	$2.36	$2.40	493,200
December 23 1980	$2.34	$2.37	$2.34	$2.37	1,564,800
December 22 1980	$2.30	$2.34	$2.28	$2.33	685,800
December 19 1980	$2.30	$2.30	$2.27	$2.30	393,600
December 18 1980	$2.29	$2.32	$2.28	$2.30	940,200
December 17 1980	$2.28	$2.31	$2.28	$2.29	326,400
December 16 1980	$2.26	$2.28	$2.26	$2.28	805,200
December 15 1980	$2.27	$2.28	$2.26	$2.26	517,200
December 12 1980	$2.23	$2.29	$2.23	$2.27	267,600
December 11 1980	$2.23	$2.23	$2.19	$2.21	915,000
December 10 1980	$2.32	$2.32	$2.24	$2.24	550,800
December 09 1980	$2.39	$2.39	$2.33	$2.33	796,800
December 08 1980	$2.47	$2.47	$2.38	$2.39	564,000
December 05 1980	$2.54	$2.54	$2.47	$2.48	462,000
December 04 1980	$2.57	$2.57	$2.54	$2.55	283,800
December 03 1980	$2.55	$2.58	$2.55	$2.58	497,400
December 02 1980	$2.54	$2.55	$2.53	$2.54	1,119,000
December 01 1980	$2.52	$2.59	$2.50	$2.54	903,000
November 28 1980	$2.48	$2.52	$2.47	$2.52	472,800
November 26 1980	$2.45	$2.48	$2.44	$2.48	819,000
November 25 1980	$2.40	$2.45	$2.40	$2.45	389,400