Sorry, available market cap data for Danaher (DHR) starts on July 1, 1985. Danaher (DHR) has a market capitalization of $169B, based on 716.05M shares at a price of $235.99 (down 1% on Friday).

DATE	OPEN	HIGH	LOW	CLOSE	VOLUME
December 31 1981	$0.04	$0.04	$0.04	$0.04	2,156,761
December 30 1981	$0.04	$0.04	$0.04	$0.04	1,195,027
December 29 1981	$0.04	$0.04	$0.04	$0.04	799,858
December 28 1981	$0.04	$0.04	$0.04	$0.04	471,345
December 24 1981	$0.04	$0.04	$0.04	$0.04	1,352,142
December 23 1981	$0.04	$0.04	$0.04	$0.04	1,423,558
December 22 1981	$0.04	$0.04	$0.04	$0.04	752,248
December 21 1981	$0.04	$0.04	$0.04	$0.04	828,425
December 18 1981	$0.04	$0.04	$0.04	$0.04	395,168
December 17 1981	$0.04	$0.04	$0.04	$0.04	566,566
December 16 1981	$0.04	$0.04	$0.04	$0.04	1,299,770
December 15 1981	$0.04	$0.04	$0.04	$0.04	895,080
December 14 1981	$0.03	$0.04	$0.03	$0.04	3,532,708
December 11 1981	$0.04	$0.04	$0.03	$0.03	1,823,487
December 10 1981	$0.04	$0.04	$0.04	$0.04	1,775,876
December 09 1981	$0.04	$0.04	$0.04	$0.04	209,487
December 08 1981	$0.04	$0.04	$0.04	$0.04	318,991
December 07 1981	$0.04	$0.04	$0.04	$0.04	1,633,044
December 04 1981	$0.04	$0.04	$0.04	$0.04	538,000
December 03 1981	$0.04	$0.04	$0.04	$0.04	1,237,876
December 02 1981	$0.04	$0.04	$0.04	$0.04	390,407
December 01 1981	$0.04	$0.04	$0.04	$0.04	933,168
November 30 1981	$0.04	$0.04	$0.04	$0.04	152,354
November 27 1981	$0.04	$0.04	$0.04	$0.04	123,788
November 25 1981	$0.04	$0.04	$0.04	$0.04	733,204