Benzinga's Top #PreMarket Losers

shares dropped 14.81% to $18.63 in pre-market trading after the company reported downbeat Q4 earnings. Various analysts downgraded Rosetta Resources following earnings report.

shares dropped 4.77% to $6.99 in pre-market after the company reported weaker-than-expected financial results for the fourth quarter.

shares declined 3.11% to $43.29 in pre-market trading. DealerTrack Tech reported Q4 earnings of $0.42 per share on revenue of $237.3 million. The company expected FY earnings of $1.39 to $1.48 per share on revenue of $1.08 billion to $1.1 billion.

fell 2.99% to $76.34 in pre-market trading after the company announced a proposed offering of 17,000,000 shares of common stock and anticipated Q1 investment pipeline of $2.2 billion.

shares fell 2.80% to $100.05 in pre-market trading after the company reported downbeat Q2 revenue and lowered its FY15 earnings guidance.