o Share prices of Complete Genomics Inc. (NASDAQ:GNOM) surged 41.64% to close at $4.66 after the genetic-analysis company signed a contract with Mayo Clinic to provide genome sequencing

o Online travel booking company Priceline.com Inc’s (NASDAQ:PCLN) share prices gained 4.79% to end the day at $571.15,after analysts cited of an improved business prospect in Europe

o Share prices of Chesapeake Energy Corp (NYSE:CHK) rose 2.39% after the oil and gas company said it expects to raise $12bn from asset sales, which will help the company to reduce its debt

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