amazon market cap 2011

On December 30, 2011, Amazon (AMZN) had a market capitalization of $80B, based on 9.24B shares at a price of $8.66.

DATE CLOSE VOLUME OUTSTANDING MARKET CAP
December 30 2011
$8.66
85,605,259
9,240,000,000
$79,972,200,000.00
December 29 2011
$8.69
164,251,198
9,240,000,000
$80,323,320,000.00
December 28 2011
$8.69
73,200,159
9,240,000,000
$80,337,180,000.00
December 27 2011
$8.81
59,022,079
9,240,000,000
$81,436,740,000.00
December 23 2011
$8.86
69,952,099
9,240,000,000
$81,903,360,000.00
December 22 2011
$8.95
93,925,439
9,240,000,000
$82,711,860,000.00
December 21 2011
$8.72
161,374,638
9,240,000,000
$80,549,700,000.00
December 20 2011
$9.13
92,011,939
9,240,000,000
$84,324,240,000.00
December 19 2011
$8.97
90,700,319
9,240,000,000
$82,850,460,000.00
December 16 2011
$9.06
133,303,938
9,240,000,000
$83,742,120,000.00
December 15 2011
$9.06
145,205,618
9,240,000,000
$83,742,120,000.00
December 14 2011
$9.01
232,337,597
9,240,000,000
$83,257,020,000.00
December 13 2011
$9.03
186,125,757
9,240,000,000
$83,395,620,000.00
December 12 2011
$9.48
86,882,919
9,240,000,000
$87,558,240,000.00
December 09 2011
$9.65
103,185,519
9,240,000,000
$89,179,860,000.00
December 08 2011
$9.52
87,230,279
9,240,000,000
$88,001,760,000.00
December 07 2011
$9.77
128,571,338
9,240,000,000
$90,237,840,000.00
December 06 2011
$9.60
104,073,759
9,240,000,000
$88,699,380,000.00
December 05 2011
$9.81
118,451,958
9,240,000,000
$90,662,880,000.00
December 02 2011
$9.80
150,526,958
9,240,000,000
$90,565,860,000.00
December 01 2011
$9.86
146,601,438
9,240,000,000
$91,074,060,000.00
November 30 2011
$9.61
154,369,038
9,240,000,000
$88,837,980,000.00
November 29 2011
$9.42
131,549,238
9,240,000,000
$87,036,180,000.00
November 28 2011
$9.71
144,145,058
9,240,000,000
$89,697,300,000.00
November 25 2011
$9.12
99,439,539
9,240,000,000
$84,268,800,000.00