vrtx return from april 20 2013 to may 20 2013

Vertex Pharmaceuticals (VRTX) returned -8.3% between April 20, 2013 and May 20, 2013.

DATEOPENHIGHLOWCLOSEVOLUME
May 20 2013
$79.03
$79.57
$77.08
$77.38
2,072,800
May 17 2013
$78.72
$79.54
$77.69
$79.49
2,622,700
May 16 2013
$78.67
$79.31
$75.85
$77.89
2,475,200
May 15 2013
$80.20
$81.00
$78.38
$79.42
1,644,600
May 14 2013
$80.27
$81.76
$80.16
$81.01
2,169,900
May 13 2013
$79.53
$81.83
$79.17
$80.15
3,457,400
May 10 2013
$76.61
$81.04
$76.53
$80.43
2,724,600
May 09 2013
$75.23
$77.13
$74.95
$76.78
2,089,200
May 08 2013
$76.42
$76.43
$74.82
$75.43
1,845,600
May 07 2013
$76.92
$77.39
$75.98
$76.40
1,738,900
May 06 2013
$76.12
$77.80
$75.51
$77.25
2,233,300
May 03 2013
$75.90
$79.41
$74.61
$75.99
3,752,600
May 02 2013
$76.30
$78.04
$76.16
$77.72
2,159,400
May 01 2013
$77.35
$79.23
$76.67
$76.83
2,466,200
April 30 2013
$77.88
$78.04
$75.96
$76.82
3,698,200
April 29 2013
$79.00
$80.41
$78.25
$78.33
1,892,900
April 26 2013
$80.32
$80.90
$78.37
$79.02
2,965,100
April 25 2013
$80.96
$81.19
$79.39
$80.32
2,875,200
April 24 2013
$81.27
$81.56
$78.78
$81.05
4,471,000
April 23 2013
$83.24
$85.22
$82.77
$83.53
3,542,700
April 22 2013
$84.40
$87.47
$80.90
$82.33
8,902,000