Symbol,Date,Open,High,Low,Close,Volume,Change,% Change
CLSN,02/28/13,1.020,1.030,0.9500,0.9774,1575116,-0.05,-5.11%
CLSN,02/27/13,0.9980,1.040,0.9800,1.030,2102817,0.05,5.09%
CLSN,02/26/13,1.010,1.030,0.9005,0.9801,4683363,-0.17,-14.77%
CLSN,02/22/13,1.100,1.180,1.090,1.150,4824311,-0.04,-3.36%
CLSN,02/21/13,1.230,1.230,1.170,1.190,1916947,-0.03,-2.46%
CLSN,02/20/13,1.260,1.280,1.210,1.220,2447340,-0.07,-5.43%
CLSN,02/19/13,1.220,1.290,1.200,1.290,3248518,0.03,2.38%
CLSN,02/15/13,1.280,1.340,1.250,1.260,3316834,-0.06,-4.55%
CLSN,02/14/13,1.280,1.370,1.230,1.320,3810690,0.02,1.54%
CLSN,02/13/13,1.340,1.370,1.290,1.300,3665954,-0.08,-5.80%
CLSN,02/12/13,1.510,1.540,1.360,1.380,8710919,-0.16,-10.39%
CLSN,02/11/13,1.400,1.540,1.350,1.540,16950790,0.25,19.38%
CLSN,02/08/13,1.200,1.290,1.150,1.290,7254687,0.13,11.21%
CLSN,02/07/13,1.190,1.200,1.130,1.160,3383668,-0.04,-3.33%
CLSN,02/06/13,1.260,1.300,1.180,1.200,6702922,0.03,2.56%
CLSN,02/04/13,1.180,1.230,1.130,1.170,10470109,-0.15,-11.36%
CLSN,02/01/13,1.420,1.440,1.250,1.320,17587078,-0.19,-12.58%
CLSN,01/31/13,1.590,1.720,1.410,1.510,42109705,-6.51,-81.17%
CLSN,01/30/13,7.950,8.380,7.775,8.020,2828473,0.34,4.43%
CLSN,01/29/13,8.050,8.320,7.600,7.680,2726408,-0.50,-6.11%
CLSN,01/28/13,7.800,8.450,7.800,8.180,4004632,0.46,5.96%
CLSN,01/25/13,7.560,7.840,7.440,7.720,2873827,0.28,3.76%
CLSN,01/24/13,7.570,7.710,7.400,7.440,1798794,-0.19,-2.49%
CLSN,01/23/13,7.950,7.960,7.510,7.630,2364685,-0.11,-1.42%
CLSN,01/22/13,7.900,7.970,7.220,7.740,6046352,0.74,10.57%
CLSN,01/18/13,7.280,7.460,6.510,7.000,5440332,-0.31,-4.24%
CLSN,01/17/13,7.460,7.970,7.250,7.310,4820783,-0.79,-9.75%
CLSN,01/16/13,9.400,9.430,6.170,8.100,8528363,-1.25,-13.37%
CLSN,01/15/13,9.100,9.440,9.050,9.350,2272061,0.30,3.31%
CLSN,01/14/13,8.610,9.300,8.460,9.050,2912566,0.59,6.97%
CLSN,01/12/13,8.580,8.620,8.400,8.460,1255776,0.00,0.00%
CLSN,01/11/13,8.580,8.620,8.400,8.460,1248381,-0.11,-1.28%
CLSN,01/10/13,8.600,8.690,8.240,8.570,1538608,0.09,1.06%
CLSN,01/09/13,8.000,8.550,7.920,8.480,2085724,0.58,7.34%
CLSN,01/08/13,8.100,8.140,7.810,7.900,1066479,-0.09,-1.13%
CLSN,01/07/13,8.140,8.200,7.900,7.990,1546030,-0.04,-0.50%
CLSN,01/04/13,8.150,8.380,8.020,8.030,2490710,-0.12,-1.47%
CLSN,01/03/13,8.390,8.390,8.030,8.150,1181292,-0.14,-1.69%
CLSN,01/02/13,8.320,8.440,8.130,8.290,2198364,0.14,1.72%
CLSN,12/31/12,8.270,8.300,8.000,8.150,1036962,-0.02,-0.24%
CLSN,12/28/12,8.000,8.350,7.850,8.170,1079572,0.18,2.25%
CLSN,12/27/12,8.210,8.210,7.690,7.990,990130,-0.13,-1.60%
CLSN,12/26/12,8.430,8.640,8.050,8.120,1466171,-0.34,-4.02%
CLSN,12/24/12,7.640,8.580,7.510,8.460,2281532,0.96,12.80%
CLSN,12/21/12,7.400,7.500,7.210,7.500,1641550,-0.07,-0.92%
CLSN,12/20/12,7.700,7.730,7.500,7.570,856821,-0.25,-3.20%
CLSN,12/19/12,8.020,8.110,7.719,7.820,896634,-0.05,-0.64%
CLSN,12/18/12,7.760,8.000,7.430,7.870,1897962,0.09,1.16%
CLSN,12/17/12,8.450,8.450,7.640,7.780,1928300,-0.62,-7.38%
CLSN,12/14/12,8.540,8.750,8.250,8.400,2195689,-0.43,-4.87%
CLSN,12/13/12,8.490,8.860,8.411,8.830,1877024,0.48,5.75%
CLSN,12/12/12,8.610,8.829,8.030,8.350,3182307,0.08,0.97%
CLSN,12/11/12,7.420,8.390,7.350,8.270,3987805,0.99,13.60%
CLSN,12/10/12,7.600,7.600,7.100,7.280,852774,-0.08,-1.09%
CLSN,12/07/12,7.450,7.700,7.300,7.360,637110,-0.09,-1.21%
CLSN,12/06/12,7.450,7.700,7.270,7.450,686350,0.04,0.54%
CLSN,12/05/12,7.810,7.850,7.370,7.410,1312351,-0.39,-5.01%