Morning Market Movers (TRAD, TZOO, DTLK, BIIB)

TradeStation Group Inc TRAD shares surged 30.77% to $9.69 at 9:45 am. Monex Group announced its plans to acquire TRAD for around $411 million. Travelzoo Inc TZOO jumped 22.51% to $90.50. TZOO reported a 30% year-over-year surge in its Q1 revenue. Datalink Corporation DTLK shares advanced 21.19% to $7.55. DTLK reported better-than-expected Q1 results and issued upbeat Q1 revenue projections. Biogen Idec Inc BIIB climbed 16.85% to $101.16. BIIB reported upbeat Q1 results. Read more from Benzinga's Markets.