Benzinga's Volume Movers (BIIB, SCSS, TZOO, PENN)

Biogen Idec Inc BIIB shares moved up 22.96% to $106.45 at 10:30 am. The volume of BIIB shares traded was 1010% higher than normal. BIIB reported upbeat Q1 results. Select Comfort Corporation SCSS shares rose 23.70% to $16.42. The volume of SCSS shares traded was 607% higher than normal. SCSS reported upbeat Q1 profit and also lifted its projections for the full year. Travelzoo Inc TZOO shares climbed 22.72% to $90.65. The volume of TZOO shares traded was 462% higher than normal. TZOO reported a 30% year-over-year surge in its Q1 revenue. Penn National Gaming Inc PENN shares gained 6.43% to $39.74. The volume of PENN shares traded was 404% higher than normal. PENN reported upbeat Q1 earnings and raised 2011 profit projections. Read more from Benzinga's Markets.