regn stock return 2011 to 2012

Regeneron Pharmaceuticals (REGN) returned 423.3% between 2011 and 2012.

DATE OPEN HIGH LOW CLOSE VOLUME
December 31 2012
$166.56
$171.09
$164.80
$170.60
488,100
December 28 2012
$165.85
$170.91
$164.83
$167.51
484,300
December 27 2012
$168.85
$172.12
$163.61
$168.30
750,400
December 26 2012
$172.56
$172.91
$167.34
$169.54
567,000
December 24 2012
$172.92
$174.04
$170.54
$172.56
378,400
December 21 2012
$168.44
$174.36
$168.44
$173.00
3,872,100
December 20 2012
$174.62
$174.62
$167.69
$172.36
837,600
December 19 2012
$182.63
$182.63
$172.62
$175.17
804,400
December 18 2012
$178.51
$180.55
$175.69
$179.52
695,000
December 17 2012
$177.52
$179.75
$177.51
$178.91
927,300
December 14 2012
$178.38
$179.84
$177.43
$179.21
424,700
December 13 2012
$182.03
$182.80
$176.65
$178.55
890,400
December 12 2012
$184.49
$184.67
$180.30
$182.54
554,000
December 11 2012
$184.49
$186.10
$183.59
$184.09
557,800
December 10 2012
$180.50
$184.49
$179.85
$184.18
470,100
December 07 2012
$178.98
$181.61
$177.51
$180.37
627,900
December 06 2012
$185.40
$188.40
$180.14
$181.30
801,600
December 05 2012
$180.55
$185.62
$177.51
$184.69
903,900
December 04 2012
$179.80
$180.71
$177.22
$180.20
627,500
December 03 2012
$179.65
$181.50
$175.58
$180.20
910,400
November 30 2012
$185.49
$185.64
$176.06
$176.06
2,335,300
November 29 2012
$175.50
$188.43
$174.97
$187.22
1,848,100
November 28 2012
$172.83
$174.74
$170.63
$174.43
425,300
November 27 2012
$172.89
$176.08
$171.53
$174.22
887,000
November 26 2012
$174.40
$175.43
$170.26
$173.91
816,600