Benzinga’s Top Pre-Market Gainers (HAUP, ACAS, YHOO, BPOP, ARNA)

Hauppauge Digital Inc HAUP soared 22.11% to $3.70 in the pre-market session. HAUP, the world's leading developer and manufacturer of TV tuner products for personal computers, launched live TV support for iPad, iPhone and iPod touch. American Capital Ltd ACAS added 1.87% to $6 in pre-market trading. ACAS’ EPS for the March quarter was 112.50% higher than anticipated. Yahoo! Inc YHOO climbed 1.73% to $16.42 in the pre-market session. YHOO’s EPS for the March quarter was 144.40% higher than expected. Popular Inc BPOP moved up 1.38% to $3.67 in pre-market trading. Fitch Ratings upgraded BPOP from “negative” to “positive.” Arena Pharmaceuticals Inc ARNA gained 0.88% to $3.42 in the pre-market session. ARNA posted narrower Q1 loss due to reduced research and development spending. Read more from Benzinga's Markets.