Symbol,Date,Open,High,Low,Close,Volume,Change,% Change
MASS,05/31/12,953.56,961.05,938.23,951.71,0,-1.06,-0.11%
MASS,05/30/12,956.59,964.52,944.26,952.77,0,-12.50,-1.30%
MASS,05/29/12,957.85,974.11,949.79,965.27,0,6.09,0.63%
MASS,05/28/12,959.81,970.36,953.40,959.19,0,0.00,0.00%
MASS,05/25/12,959.82,970.36,953.38,959.19,0,-1.42,-0.15%
MASS,05/24/12,967.11,975.64,947.48,960.61,0,-6.21,-0.64%
MASS,05/23/12,955.82,971.08,944.33,966.82,0,1.19,0.12%
MASS,05/22/12,970.80,980.35,956.86,965.63,0,-1.37,-0.14%
MASS,05/21/12,949.54,970.58,942.55,967.00,0,20.32,2.15%
MASS,05/18/12,964.27,968.71,940.70,946.68,0,-14.46,-1.50%
MASS,05/17/12,980.07,987.37,958.77,961.14,0,-18.91,-1.93%
MASS,05/16/12,993.96,1002,975.48,980.05,0,-11.08,-1.12%
MASS,05/15/12,988.55,1006,979.15,991.13,0,1.62,0.16%
MASS,05/14/12,991.43,1003,979.87,989.50,0,-10.13,-1.01%
MASS,05/11/12,990.49,1009,984.30,999.64,0,3.10,0.31%
MASS,05/10/12,1005,1013,986.75,996.54,0,-4.72,-0.47%
MASS,05/09/12,995.40,1011,985.79,1001,0,-7.23,-0.72%
MASS,05/08/12,1003,1015,988.04,1008,0,-1.02,-0.10%
MASS,05/07/12,1001,1019,995.52,1010,0,13.11,1.32%
MASS,05/04/12,1007,1012,989.66,996.40,0,-16.95,-1.67%
MASS,05/03/12,1026,1030,1008,1013,0,-14.41,-1.40%
MASS,05/02/12,1014,1033,1012,1028,0,1.17,0.11%
MASS,05/01/12,1016,1041,1013,1027,0,4.53,0.44%
MASS,04/30/12,1020,1032,1013,1022,0,-6.35,-0.62%
MASS,04/27/12,1019,1037,1014,1028,0,7.41,0.73%
MASS,04/26/12,1012,1030,1005,1021,0,7.80,0.77%
MASS,04/25/12,1005,1020,997.47,1013,0,20.15,2.03%
MASS,04/24/12,989.36,1002,980.98,993.04,0,0.18,0.02%
MASS,04/23/12,993.40,999.88,980.69,992.86,0,-11.36,-1.13%
MASS,04/20/12,1009,1017,998.26,1004,0,1.24,0.12%
MASS,04/19/12,1009,1021,993.10,1003,0,-8.71,-0.86%
MASS,04/18/12,1011,1021,1002,1012,0,-4.45,-0.44%
MASS,04/17/12,1004,1023,999.01,1016,0,16.48,1.65%
MASS,04/16/12,992.11,1013,990.21,999.66,0,0.30,0.03%
MASS,04/13/12,996.40,1016,995.79,999.36,0,-13.55,-1.34%
MASS,04/12/12,984.97,1018,995.05,1013,0,15.82,1.59%
MASS,04/11/12,978.91,1005,985.20,997.09,0,11.46,1.16%
MASS,04/10/12,992.16,1013,982.55,985.63,0,-21.60,-2.14%
MASS,04/09/12,1008,1016,998.03,1007,0,-16.34,-1.60%
MASS,04/05/12,1020,1031,1014,1024,0,-9.24,-0.89%
MASS,04/04/12,1010,1048,1027,1033,0,-16.97,-1.62%
MASS,04/03/12,1016,1058,1040,1050,0,-1.16,-0.11%
MASS,04/02/12,1010,1057,1036,1051,0,6.52,0.62%
MASS,03/30/12,1047,1053,1035,1044,0,3.48,0.33%
MASS,03/29/12,1035,1045,1027,1041,0,-1.81,-0.17%
MASS,03/28/12,1050,1057,1034,1043,0,-6.41,-0.61%
MASS,03/27/12,1053,1061,1045,1049,0,-2.72,-0.26%
MASS,03/26/12,1041,1056,1036,1052,0,19.48,1.89%
MASS,03/23/12,1030,1037,1020,1032,0,-77.01,-6.94%
MASS,03/22/12,1108,1118,1098,1109,0,-5.09,-0.46%
MASS,03/21/12,1113,1124,1106,1114,0,2.13,0.19%
MASS,03/20/12,1111,1120,1101,1112,0,-5.80,-0.52%
MASS,03/19/12,1113,1127,1106,1118,0,2.63,0.24%
MASS,03/16/12,1120,1127,1108,1116,0,-2.45,-0.22%
MASS,03/15/12,1109,1123,1101,1118,0,8.52,0.77%
MASS,03/14/12,1114,1123,1100,1109,0,-6.26,-0.56%
MASS,03/13/12,1100,1119,1094,1116,0,22.42,2.05%
MASS,03/12/12,1097,1104,1084,1093,0,-1.80,-0.16%
MASS,03/09/12,1087,1103,1081,1095,0,9.87,0.91%
MASS,03/08/12,1076,1092,1068,1085,0,15.97,1.49%
MASS,03/07/12,1061,1074,1056,1069,0,9.46,0.89%
MASS,03/06/12,1062,1074,1049,1060,0,-17.74,-1.65%
MASS,03/05/12,1081,1091,1066,1078,0,-7.26,-0.67%
MASS,03/02/12,1088,1098,1077,1085,0,-3.40,-0.31%