Ambarella Inc (NASDAQ:AMBA): In Thursday's trading session, Ambarella Inc (NASDAQ:AMBA) fell 0.13%. Its opening price of $15.11 rose to touch an intraday high of $15.40 which eventually headed down to close at $15.19 per share.

Alpha Natural Resources, Inc. (NYSE:ANR) shares fell 6.53% to $6.73. The company on May 2 reported a narrower-than-expected first-quarter loss thanks to cost-cutting in a tough market.

Ambarella Inc (NASDAQ:AMBA) shares decreased 6.42% to $14.15. The company on April 8 expanded upon its position as a leader in the video infrastructure market with the introduction of the AmbaCast 8000 System on Chip (SoC).

Ambarella Inc. (NASDAQ: AMBA) - a developer of semiconductor processing solutions for video - was trading at $12.59, down -6.3 percent during After-Hours on 1,210 traded shares.

Alaska Air Group, Inc.(NYSE:ALK) shares jumped 5.45% and closed at $66.15. The company on May 3 said its April traffic rose 8.5 percent on a combined basis, which included its subsidiaries, Alaska Airlines and Horizon Air.

Great Panther Silver Ltd (USA) (NYSEAMEX:GPL) shares increased 7.84% and closed at $1.10. The company, on April 15, reported first quarter production at its two wholly-owned Mexican silver mining operations, Guanajuato and Topia.

SANTA CLARA, Calif., May 16, 2013 (GLOBE NEWSWIRE) -- Ambarella Inc., (Nasdaq:AMBA) today announced that it will hold its Q1 FY 2014 conference call on Tuesday, June 4, 2013, at 2pm Pacific Daylight Time.

The share price of Renren Inc (NYSE:RENN) gained 11.11% during last trading day, ending at $3.10 after Bloomberg reported that analysts expected the company will post a 41 percent jump in sales for the first quarter next week, compared with the ...

New York, NY - (NISMAGAZINE) - 4/25/2013- Maxwell Technologies Inc. (NASDAQ:MXWL) rose 5.32% at $5.94 after trading 723,846 shares.

In the last trading session, shares of Ambarella Inc (NASDAQ:AMBA) were down 6.33% to $13.77 with no major news. However, a Seeking Alpha contributor believes the stock has big potential for the future.