Large Stocks : CTRP, GMCR, OPTT, AFFY

New York, NY -- (SBWIRE) -- 05/10/2013 -- Ctrip.com International, Ltd. (ADR) (NASDAQ:CTRP) jumped +17.65%, to $28.03, in the mid-day trading hours with the total traded volume of 5.95 million shares, more than the average volume of 1.94 million. CTRP has a market cap of 3.64 billion and its beta value stands at 1.56 times.