Benzinga's Top #PreMarket Losers

shares fell 18.44 percent to $9.60 in pre-market trading. Emerge Energy Services is withdrawing its earlier announced distribution outlook for 2015. Stifel Nicolaus downgraded Emerge Energy Services from Hold to Sell.

fell 4.38 percent to $8.29 in pre-market trading after the company reported weaker-than-expected results for second quarter and issued a weak earnings forecast.

shares declined 3.41 percent to $6.79 in pre-market trading 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.

shares tumbled 2.41 percent to $64.90 in pre-market trading. Concordia Healthcare priced its offering of 8 million shares at $65.00 per share.

shares dipped 1.70 percent to $24.35 in pre-market trading. Finish Line reported in-line earnings for the second quarter, but the company's sales missed analysts' expectations.