Benzinga's Volume Movers

Constellium NV CSTM shares moved up 1.41% to $28.14. The volume of Constellium shares traded was 1880% higher than normal. Constellium announced a secondary offering by selling shareholder. Sangamo Biosciences SGMO shares rose 16.77% to $22.90. The volume of Sangamo Biosciences shares traded was 978% higher than normal. Sangamo announced the publication in the NEJM of the first-in-man study of genome editing using its ZFN technology. Luxottica Group SpA LUX shares climbed 1.65% to $55.30. The volume of Luxottica Group shares traded was 732% higher than normal. Luxottica shares have gained 13.62% over the past 52 weeks, while the S&P 500 index has jumped 21.34% in the same period. Discovery Communications DISCK surged 1.14% to $79.30. The volume of Discovery shares traded was 489% higher than normal. Discovery Communications is expected to report its Q1 results on May 6.