Benzinga's Top Pre-Market NASDAQ Gainers (KNDL, HNSN, JDSU, ONNN)

Kendle International Inc KNDL shares surged 58.42% to $15.05 in the pre-market session. INC Research LLC announced its plans to acquire Kendle for around $232 million in cash. Hansen Medical Inc HNSN shares advanced 11.11% to $3.40 in the pre-market session. HNSN reported a 95% y/y jump in its Q1 revenue. JDS Uniphase Corporation JDSU climbed 9.75% to $21.95 in the pre-market session. JDSU swung to a profit in the fiscal third quarter. ON Semiconductor Corporation ONNN jumped 7% to $11 in the pre-market session. ONNN reported a more than 50% surge in its Q1 revenue from the fourth quarter of 2010. Read more from Benzinga's Markets.