Morning Market Gainers

Plasmatech Biopharmaceuticals Inc (NASDAQ: PTBI) shares climbed 64.08 percent to $4.66 following the report of Soros stake.

Energy Focus Inc (NASDAQ: EFOI) shares rose 25 percent to $7.00. Energy Focus reported Q1 earnings of $0.11 per share on revenue of $13.1 million.

Golar LNG Limited (USA) (NASDAQ: GLNG) shares jumped 18.07 percent to $44.44 as Ophir Energy named Golar as midstream partner for Fortuna FLNG project in Equatorial Guinea.

Nautilus, Inc. (NYSE: NLS) shares climbed 16.15 percent to $19.99 after the company reported upbeat Q1 results.

A10 Networks Inc (NASDAQ: ATEN) shares jumped 15.63 percent to $5.40. A10 Networks reported a Q1 loss of $0.22 per share on revenue of $44 million.

RetailMeNot Inc (NASDAQ: SALE) rose 15.51 percent to $19.88 after the company reported stronger-than-expected results for the first quarter

ABIOMED, Inc. (NASDAQ: ABMD) climbed 12.33 percent to $73.17 on earnings beat and raised outlook.

ChannelAdvisor Corp (NASDAQ: ECOM) rose 12.18 percent to $11.24 after the company reported better-than-expected Q1 results

CONN'S, Inc. (NASDAQ: CONN) shares gained 6.88 percent to $32.12. Oppenheimer upgraded Conn's from Perform to Outperform.

Estee Lauder Companies Inc (NYSE: EL) shares surged 5.41 percent to $88.06 on better-than-expected Q3 results.

Criteo SA (ADR) (NASDAQ: CRTO) rose 2.88 percent to $43.98 after the company reported better-than-expected results for its first quarter and raised its outlook for the year.