The closing price for 3M (MMM) in 1980 was $1.46, on December 31, 1980. It was up 23.4% for the year. The latest price is $160.90.

DATE	OPEN	HIGH	LOW	CLOSE	VOLUME
December 31 1980	$1.44	$1.47	$1.44	$1.46	384,634
December 30 1980	$1.45	$1.45	$1.42	$1.44	655,408
December 29 1980	$1.44	$1.46	$1.44	$1.45	592,259
December 26 1980	$1.43	$1.43	$1.42	$1.43	74,630
December 24 1980	$1.41	$1.43	$1.41	$1.43	1,547,146
December 23 1980	$1.41	$1.42	$1.40	$1.40	1,805,482
December 22 1980	$1.39	$1.42	$1.38	$1.41	1,096,493
December 19 1980	$1.39	$1.40	$1.38	$1.39	778,835
December 18 1980	$1.38	$1.42	$1.38	$1.39	584,605
December 17 1980	$1.38	$1.38	$1.37	$1.37	955,843
December 16 1980	$1.38	$1.38	$1.37	$1.38	687,939
December 15 1980	$1.40	$1.40	$1.38	$1.38	826,675
December 12 1980	$1.38	$1.40	$1.38	$1.40	835,286
December 11 1980	$1.39	$1.39	$1.36	$1.38	1,026,646
December 10 1980	$1.40	$1.41	$1.39	$1.39	750,131
December 09 1980	$1.41	$1.41	$1.38	$1.40	1,941,347
December 08 1980	$1.46	$1.46	$1.38	$1.41	2,890,493
December 05 1980	$1.46	$1.48	$1.45	$1.46	1,150,074
December 04 1980	$1.46	$1.47	$1.45	$1.46	1,705,018
December 03 1980	$1.47	$1.48	$1.46	$1.46	769,267
December 02 1980	$1.46	$1.48	$1.45	$1.47	869,731
December 01 1980	$1.50	$1.50	$1.46	$1.46	947,232
November 28 1980	$1.50	$1.51	$1.50	$1.50	654,451
November 26 1980	$1.47	$1.51	$1.46	$1.49	1,042,912
November 25 1980	$1.45	$1.48	$1.45	$1.47	1,807,395

Daily pricing data for 3M dates back to 1/2/1962, and may be incomplete.