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
$6.83
$7.00
$6.57
$6.62
18,135,500
January 29 2009
$6.78
$6.91
$6.68
$6.80
16,874,500
January 28 2009
$6.70
$7.02
$6.63
$6.92
18,946,500
January 27 2009
$6.73
$6.79
$6.44
$6.53
17,992,000
January 26 2009
$6.67
$7.05
$6.49
$6.65
17,269,500
January 23 2009
$6.06
$6.75
$5.96
$6.59
16,627,500
January 22 2009
$6.26
$6.56
$6.11
$6.28
20,409,500
January 21 2009
$6.70
$6.70
$6.07
$6.43
19,742,500
January 20 2009
$6.66
$6.77
$6.36
$6.45
15,628,500
January 16 2009
$6.49
$7.00
$6.37
$6.84
25,468,000
January 15 2009
$6.29
$6.76
$6.08
$6.66
14,312,500
January 14 2009
$6.41
$6.51
$6.05
$6.24
14,583,500
January 13 2009
$6.57
$6.90
$6.52
$6.72
12,997,500
January 12 2009
$7.55
$7.55
$6.56
$6.61
17,041,000
January 09 2009
$7.73
$7.85
$7.45
$7.60
12,395,000
January 08 2009
$7.26
$7.86
$7.26
$7.70
16,941,000
January 07 2009
$7.89
$8.10
$7.47
$7.51
12,895,000
January 06 2009
$8.06
$8.12
$7.41
$7.79
18,941,500
January 05 2009
$7.47
$8.12
$7.47
$7.98
13,389,000
January 02 2009
$6.96
$7.62
$6.92
$7.56
9,227,000
December 31 2008
$6.70
$7.01
$6.60
$6.93
6,492,500
December 30 2008
$6.47
$6.74
$6.41
$6.71
7,739,500
December 29 2008
$6.63
$6.81
$6.41
$6.58
6,251,000
December 26 2008
$6.59
$6.64
$6.36
$6.60
3,855,500
December 24 2008
$6.46
$6.66
$6.42
$6.50
2,610,500