what is amgn return from february 2009 to january 2010

Amgen (AMGN) returned 7.4% between February 1, 2009 and January 31, 2010.

DATE OPEN HIGH LOW CLOSE VOLUME
January 29 2010
$40.71
$41.11
$40.57
$40.80
9,465,700
January 28 2010
$40.37
$41.01
$40.16
$40.52
11,638,200
January 27 2010
$39.31
$40.38
$39.31
$40.28
9,695,000
January 26 2010
$39.21
$39.67
$38.86
$39.47
14,880,300
January 25 2010
$39.57
$39.62
$38.75
$38.87
6,719,400
January 22 2010
$39.53
$39.97
$39.44
$39.49
5,967,600
January 21 2010
$40.07
$40.16
$39.28
$39.51
5,833,700
January 20 2010
$40.20
$40.20
$39.35
$39.90
6,625,700
January 19 2010
$39.35
$40.29
$39.24
$40.15
8,570,100
January 15 2010
$39.09
$39.42
$38.82
$39.24
7,240,000
January 14 2010
$39.31
$39.44
$39.00
$39.18
4,668,900
January 13 2010
$39.31
$39.59
$39.04
$39.44
5,056,200
January 12 2010
$39.86
$40.06
$38.24
$39.09
11,268,300
January 11 2010
$39.72
$40.02
$39.50
$39.78
4,062,700
January 08 2010
$39.12
$39.65
$38.82
$39.60
6,576,000
January 07 2010
$39.35
$39.44
$38.13
$39.26
10,371,600
January 06 2010
$39.72
$40.04
$39.42
$39.62
6,015,100
January 05 2010
$40.00
$40.25
$39.26
$39.92
7,882,800
January 04 2010
$39.51
$40.37
$39.46
$40.27
5,277,400
December 31 2009
$40.09
$40.11
$39.47
$39.47
4,027,900
December 30 2009
$40.12
$40.32
$39.97
$40.14
2,485,400
December 29 2009
$40.30
$40.41
$39.88
$40.13
3,091,900
December 28 2009
$40.10
$40.27
$39.93
$40.23
2,741,100
December 24 2009
$39.88
$40.08
$39.70
$40.06
1,283,700
December 23 2009
$40.11
$40.23
$39.80
$40.01
4,287,100