Sorry, available market cap data for Watsco (WSO.B) starts on April 1, 2011. Watsco (WSO.B) has a market capitalization of $16.4B, based on 40.66M shares at a price of $403.83.

DATE	OPEN	HIGH	LOW	CLOSE	VOLUME
December 31 1993	$1.71	$1.71	$1.71	$1.71	—
December 30 1993	$1.71	$1.71	$1.71	$1.71	338
December 29 1993	$1.73	$1.73	$1.73	$1.73	—
December 28 1993	$1.73	$1.73	$1.73	$1.73	—
December 27 1993	$1.73	$1.73	$1.73	$1.73	—
December 23 1993	$1.75	$1.75	$1.73	$1.73	3,375
December 22 1993	$1.76	$1.76	$1.76	$1.76	—
December 21 1993	$1.76	$1.76	$1.76	$1.76	—
December 20 1993	$1.76	$1.76	$1.76	$1.76	4,050
December 17 1993	$1.75	$1.75	$1.75	$1.75	—
December 16 1993	$1.75	$1.75	$1.75	$1.75	—
December 15 1993	$1.75	$1.75	$1.75	$1.75	1,013
December 14 1993	$1.76	$1.76	$1.76	$1.76	—
December 13 1993	$1.76	$1.76	$1.76	$1.76	—
December 10 1993	$1.76	$1.76	$1.76	$1.76	—
December 09 1993	$1.76	$1.76	$1.76	$1.76	—
December 08 1993	$1.76	$1.76	$1.76	$1.76	—
December 07 1993	$1.76	$1.76	$1.76	$1.76	675
December 06 1993	$1.75	$1.76	$1.75	$1.76	6,750
December 03 1993	$1.71	$1.71	$1.71	$1.71	—
December 02 1993	$1.71	$1.71	$1.71	$1.71	4,388
December 01 1993	$1.73	$1.73	$1.73	$1.73	—
November 30 1993	$1.73	$1.73	$1.73	$1.73	—
November 29 1993	$1.73	$1.73	$1.73	$1.73	—
November 26 1993	$1.73	$1.73	$1.73	$1.73	—