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After-Hours Movers Led By Calithera Biosciences, Violin Memory & PowerSecure

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Calithera Biosciences Inc. (NASDAQ: CALA) soared nearly 39 percent to $18.90 in Thursday's extended session after the company obtained rights to develop and commercialize a portfolio of preclinical compounds aimed at treating cancer from TransTech Pharma. Financial terms were undisclosed.

YY Inc. (NASDAQ: YY) picked up nearly 7 percent in after-hours trading, changing hands at $58.25 recently, after the Chinese social media platform provider posted favorable quarterly earnings.

Martha Stewart Living Omnimedia Inc. (NYSE: MSO) rose 5 percent to $5.12, after the company offered investors its fourth-quarter earnings report.

Finisar Corp. (NASDAQ: FNSR) gained more than 5 percent to $21.20 when the data communications equipment company posted a strong fourth-quarter outlook.

Prothena Corp. (NASDAQ: PRTA) ticked up more than 3 percent to $28 when the Ireland-based biotech company provided financial guidance and fourth-quarter results.

Checkpoint Systems, Inc. (NYSE: CKP) lost 18 percent to $10.90 on disappointing quarterly results.

Conatus Pharmaceuticals Inc. (NASDAQ: CNAT) fell 16 percent to $5.63 in the after-hours session. The company said in a Thursday filing that its Chief Medical Officer Gary C. Burgess resigned.

PowerSecure International, Inc. (NYSE: POWR) shares declined more than 12 percent to $10.92 in the extended session Wednesday after closing up 14 percent. The company posted results Tuesday.

Violin Memory Inc. (NYSE: VMEM) lost nearly 12 percent, trading recently at $3.52 after the flash storage company posted a scratchy quarterly performance.

Emergent Biosolutions Inc. (NYSE: EBS) sank 6 percent to $27.99 after the company posted quarterly results and said it is investigating contamination of product at a manufacturing operation.

Posted-In: News After-Hours Center Movers

 

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