how much did sp500 gain from 2008 to 2012

Gladstone Investment (GAIN) returned 18.5% between 2008 and 2012.

DATEOPENHIGHLOWCLOSEVOLUME
December 2012
$1.90
$1.98
$1.84
$1.89
2,482,400
November 2012
$1.99
$2.00
$1.78
$1.89
2,892,700
October 2012
$2.08
$2.13
$1.93
$1.98
5,950,900
September 2012
$2.01
$2.14
$1.99
$2.08
1,201,600
August 2012
$1.90
$2.06
$1.89
$2.01
1,833,100
July 2012
$1.93
$2.05
$1.89
$1.89
1,191,300
June 2012
$1.87
$1.97
$1.82
$1.93
1,392,600
May 2012
$1.90
$1.95
$1.79
$1.90
1,400,100
April 2012
$1.93
$2.00
$1.83
$1.91
1,138,100
March 2012
$1.99
$2.05
$1.91
$1.93
1,250,600
February 2012
$2.06
$2.14
$1.90
$1.99
1,796,800
January 2012
$1.86
$2.07
$1.80
$2.05
1,706,900
December 2011
$1.86
$1.87
$1.76
$1.82
1,622,400
November 2011
$1.77
$1.90
$1.68
$1.87
1,485,000
October 2011
$1.65
$1.89
$1.48
$1.84
1,805,300
September 2011
$1.66
$1.78
$1.52
$1.66
1,784,700
August 2011
$1.74
$1.85
$1.51
$1.66
2,219,900
July 2011
$1.72
$1.85
$1.68
$1.69
1,349,500
June 2011
$1.74
$1.80
$1.66
$1.71
2,203,000
May 2011
$1.85
$1.87
$1.61
$1.78
2,081,100
April 2011
$1.83
$1.84
$1.69
$1.83
1,386,100
March 2011
$1.93
$2.00
$1.66
$1.82
1,699,600
February 2011
$1.67
$1.94
$1.67
$1.93
1,531,200
January 2011
$1.79
$1.85
$1.58
$1.65
1,279,400
December 2010
$1.82
$1.82
$1.75
$1.77
1,196,800