Benzinga's Top #PreMarket Losers

fell 18.43 percent to $12.35 in pre-market trading after the company reported weaker-than-expected results for the second quarter and issued a downbeat FY15 forecast.

shares declined 11.08 percent to $28.50 in pre-market trading. Ubiquiti Networks reported Q4 earnings of $0.50 per share on revenue of $145.3 million. Wunderlich downgraded Ubiquiti Networks from Buy to Hold and lowered the price target from $37.00 to $36.00.

shares tumbled 10.72 percent to $20.98 in pre-market trading. Sprouts Farmer Market reported Q2 adjusted earnings of $0.22 per share on revenue of $902.2 million. The company also appointed CEO Doug Sanders as Board Chairman.

shares dropped 7.91 percent to $4.31 in pre-market after the company reported results for the second quarter. The company posted quarterly adjusted earnings of $0.02 per share on revenue of $738.4 million.

shares fell 5.47 percent to $6.39 in pre-market trading. Himax Technologies reported in-line Q2 earnings, but the company's sales missed analysts' estimates.