how much did amzn gain from 2008 to 2012

Between 2008 and 2012, Amazon (AMZN) returned 163.1% and Gladstone Investment (GAIN) returned 18.5%.

DATEGladstone InvestmentAmazon
December 2012
$1.88
$12.54
November 2012
$1.88
$12.60
October 2012
$1.97
$11.64
September 2012
$2.07
$12.72
August 2012
$2.00
$12.41
July 2012
$1.88
$11.67
June 2012
$1.92
$11.42
May 2012
$1.89
$10.65
April 2012
$1.90
$11.60
March 2012
$1.92
$10.13
February 2012
$1.97
$8.98
January 2012
$2.03
$9.72
December 2011
$1.80
$8.66
November 2011
$1.86
$9.61
October 2011
$1.83
$10.68
September 2011
$1.65
$10.81
August 2011
$1.65
$10.76
July 2011
$1.68
$11.13
June 2011
$1.70
$10.22
May 2011
$1.77
$9.83
April 2011
$1.82
$9.79
March 2011
$1.81
$9.01
February 2011
$1.92
$8.66
January 2011
$1.64
$8.48
December 2010
$1.76
$9.00