what is cf return from february 2008 to january 2009

CF Industries (CF) returned -56% between February 1, 2008 and January 31, 2009.

DATE OPEN HIGH LOW CLOSE VOLUME
January 30 2009
$6.87
$7.04
$6.60
$6.66
18,135,500
January 29 2009
$6.82
$6.95
$6.72
$6.84
16,874,500
January 28 2009
$6.74
$7.06
$6.67
$6.97
18,946,500
January 27 2009
$6.77
$6.83
$6.48
$6.56
17,992,000
January 26 2009
$6.71
$7.09
$6.53
$6.69
17,269,500
January 23 2009
$6.10
$6.79
$6.00
$6.63
16,627,500
January 22 2009
$6.30
$6.60
$6.15
$6.31
20,409,500
January 21 2009
$6.73
$6.73
$6.10
$6.47
19,742,500
January 20 2009
$6.70
$6.81
$6.39
$6.48
15,628,500
January 16 2009
$6.53
$7.04
$6.41
$6.88
25,468,000
January 15 2009
$6.32
$6.80
$6.11
$6.69
14,312,500
January 14 2009
$6.45
$6.55
$6.08
$6.27
14,583,500
January 13 2009
$6.61
$6.94
$6.56
$6.76
12,997,500
January 12 2009
$7.60
$7.60
$6.60
$6.65
17,041,000
January 09 2009
$7.77
$7.89
$7.49
$7.64
12,395,000
January 08 2009
$7.31
$7.91
$7.30
$7.75
16,941,000
January 07 2009
$7.94
$8.15
$7.52
$7.55
12,895,000
January 06 2009
$8.11
$8.16
$7.46
$7.83
18,941,500
January 05 2009
$7.52
$8.17
$7.52
$8.02
13,389,000
January 02 2009
$7.00
$7.67
$6.96
$7.60
9,227,000
December 31 2008
$6.74
$7.05
$6.64
$6.97
6,492,500
December 30 2008
$6.51
$6.78
$6.45
$6.75
7,739,500
December 29 2008
$6.66
$6.85
$6.45
$6.62
6,251,000
December 26 2008
$6.63
$6.68
$6.40
$6.63
3,855,500
December 24 2008
$6.49
$6.70
$6.46
$6.54
2,610,500