biib return in 2013

Biogen (BIIB) returned 88% in 2013.

DATE OPEN HIGH LOW CLOSE VOLUME
December 31 2013
$279.93
$281.49
$278.60
$279.57
640,600
December 30 2013
$278.39
$280.19
$273.77
$279.57
605,200
December 27 2013
$281.81
$282.92
$276.31
$277.17
609,600
December 26 2013
$280.81
$282.22
$279.07
$281.34
620,600
December 24 2013
$281.44
$282.68
$278.36
$280.65
463,300
December 23 2013
$284.28
$285.00
$279.51
$281.61
1,075,900
December 20 2013
$278.46
$285.54
$275.03
$283.34
3,027,500
December 19 2013
$278.88
$280.43
$275.17
$277.21
955,800
December 18 2013
$272.19
$281.25
$270.74
$280.64
1,870,500
December 17 2013
$274.55
$276.59
$270.27
$271.51
1,253,000
December 16 2013
$277.22
$283.54
$273.21
$273.60
1,178,300
December 13 2013
$278.02
$279.41
$271.59
$275.32
1,167,300
December 12 2013
$278.20
$283.83
$277.22
$277.87
993,600
December 11 2013
$284.66
$286.02
$277.19
$278.04
1,270,200
December 10 2013
$286.83
$288.90
$281.28
$285.23
937,500
December 09 2013
$292.99
$293.20
$284.70
$286.18
1,190,000
December 06 2013
$289.55
$292.86
$283.00
$290.90
1,214,500
December 05 2013
$284.95
$288.73
$282.12
$284.92
1,159,000
December 04 2013
$285.90
$289.24
$282.38
$285.82
900,200
December 03 2013
$294.17
$294.25
$286.56
$287.76
1,419,500
December 02 2013
$291.71
$298.82
$290.52
$294.84
1,128,500
November 29 2013
$290.00
$295.49
$290.00
$290.97
514,200
November 27 2013
$292.80
$295.89
$288.01
$293.83
939,700
November 26 2013
$295.95
$297.80
$288.58
$289.20
1,584,800
November 25 2013
$286.54
$297.98
$284.51
$295.88
2,727,900