Morning Market Losers

shares tumbled 33.12 percent to $1.07 after the company reported a proposed public offering of common stock.

shares dropped 25.67 percent to $13.00 after the company issued product updates for AT-001, -002, -003, -004 and -005.

shares fell 24 percent to $3.80 after the company priced its 1.125 million share offering of common stock at $4 per share.

shares dipped 22.34 percent to $9.14. Emerge Energy Services is withdrawing its earlier announced distribution outlook for 2015. Stifel Nicolaus downgraded Emerge Energy Services from Hold to Sell.

shares declined 21.63 percent to $6.57 after the company lowered its FY15 outlook.

fell 17.65 percent to $7.14 in pre-market trading after the company reported weaker-than-expected results for second quarter and issued a weak earnings forecast.

shares slipped 14.25 percent to $21.24. Finish Line reported in-line earnings for the second quarter, but the company's sales missed analysts' expectations.

dropped 8.05 percent to $1.60 after the company reported a $3 million registered direct offering.

shares fell 2.90 percent to $64.57. Concordia Healthcare priced its offering of 8 million shares at $65.00 per share.

shares dropped 1.49 percent to $6.93 after the company reported results for its fiscal second quarter. The company posted adjusted loss of $0.13 per share on revenue of $490 million.