Thursday's After-Hours Movers: NeoPhotonics, Quality Distribution And More

Costamare Inc CMRE gained more than 23 percent to $24.59 in late trading Thursday. The Greek shipping company said Wednesday it would raise $100 million in an offering of series D shares.

NeoPhotonics Corp NPTN jumped more than 26 percent to $7.25. The maker of integrated circuit modules said first quarter revenue grew 57 percent with an adjusted gross margin of more than 31 percent.

Imperva Inc IMPV picked up about 12 percent, trading at $50.80. The data security company boosted its guidance and said first-quarter revenue grew 42 percent.

Solaredge Technologies Inc SEDG rose nearly 10 percent to $29 after it said fiscal third quarter revenue grew 182 percent from a year earlier to $86.4 million. The company also posted its third consecutive quarterly profit.

Stamps.com Inc. STMP rose 7 percent to $65 in the late session. The postal services company issued a positive report on first quarter results.

Tableau Software Inc DATA picked up 8 percent, changing hands at $105. The company posted first quarter revenue growth of 75 percent to grew to $130.1 million. Its net loss widened to $0.14 a share, from $0.09 a year earlier.

Quality Distribution Inc QLTY plunged 37 percent to $9.80. The chemical bulk tank truck operator closed down earlier Thursday by 66 percent at $15.75. Quality agreed Wednesday to be taken private for $16 a share by Apax Partners.

Planar Systems, Inc. PLNR tumbled 19 percent to $4.98. The electronic display products company said near-term revenue would be hurt by lower commercial and industrial orders from the oil industry, while digital display sales will suffer from a shift in the company's technology.

KEYW Holding Corp. KEYW dipped about 17 percent to $7.17. The computer security company said its first-quarter net loss doubled to $0.16 cents a share.

Fluidigm Corporation FLDM lost 13 percent, changing hands at $32.45. The microfluidic systems manufacturer said first quarter revenue failed to meet its expectations. It will register as a medical device manufacturer with the Food and Drug Administration in conjunction with its production genomics business.

BioScrip Inc BIOS fell 9 percent to $4.41 after the bell. The home health care company's loss narrowed on revenue growth of 9.4 percent.