Sorry, available market cap data for Amazon (AMZN) starts on January 2, 2009. Amazon (AMZN) has a market capitalization of $2.1T, based on 10.51B shares at a price of $197.12 (down 0.5% on Friday).

DATE	OPEN	HIGH	LOW	CLOSE	VOLUME
December 31 2001	$0.55	$0.56	$0.54	$0.54	120,627,998
December 28 2001	$0.55	$0.55	$0.53	$0.55	205,087,997
December 27 2001	$0.57	$0.57	$0.53	$0.53	216,783,997
December 26 2001	$0.55	$0.56	$0.54	$0.56	363,843,975
December 24 2001	$0.51	$0.51	$0.48	$0.49	124,745,998
December 21 2001	$0.52	$0.55	$0.50	$0.50	278,637,976
December 20 2001	$0.53	$0.54	$0.51	$0.51	157,003,998
December 19 2001	$0.54	$0.56	$0.53	$0.54	140,073,998
December 18 2001	$0.55	$0.57	$0.53	$0.54	147,073,998
December 17 2001	$0.56	$0.56	$0.51	$0.54	171,971,998
December 14 2001	$0.56	$0.56	$0.50	$0.55	200,497,997
December 13 2001	$0.58	$0.59	$0.54	$0.54	157,511,998
December 12 2001	$0.62	$0.63	$0.58	$0.60	161,501,998
December 11 2001	$0.60	$0.62	$0.59	$0.61	282,679,996
December 10 2001	$0.58	$0.61	$0.57	$0.58	170,271,998
December 07 2001	$0.61	$0.62	$0.58	$0.59	141,753,998
December 06 2001	$0.60	$0.62	$0.59	$0.61	249,611,997
December 05 2001	$0.62	$0.64	$0.59	$0.59	477,896,013
December 04 2001	$0.55	$0.60	$0.54	$0.60	290,371,996
December 03 2001	$0.55	$0.55	$0.52	$0.52	190,517,997
November 30 2001	$0.57	$0.58	$0.54	$0.57	178,283,998
November 29 2001	$0.59	$0.60	$0.54	$0.56	405,619,994
November 28 2001	$0.56	$0.62	$0.56	$0.58	970,912,026
November 27 2001	$0.60	$0.61	$0.56	$0.57	686,556,010
November 26 2001	$0.49	$0.61	$0.49	$0.61	1,019,739,986