Morning Market Losers

RadiSys Corporation RSYS shares fell 22.40% to $1.94 after the company reported downbeat Q4 results. Needham downgraded Radisys from Buy to Hold. Mueller Water Products, Inc. MWA shares slipped 15.46% to $8.91 after the company reported weaker-than-expected Q1 results. Calix Inc. CALX shares dropped 15.26% to $8.94 after the company reported Q4 earnings of $0.13 per share on revenue of $111.6 million. The company expected Q1 loss of $0.09 to $0.04 per share. Goldman Sachs downgraded Calix from Buy to Neutral. Myriad Genetics Inc. MYGN shares tumbled 13.41% to $33.01 after the company cut its full-year outlook and announced the retirement of its CEO Peter Meldrum. Ralph Lauren Corporation RL shares declined 10.85% to $152.29 after the company reported weaker-than-expected results for its fiscal third quarter. Rex Energy Corporation REXX shares dropped 10.20% to $4.49 after gaining 23.46% on Tuesday. Powell Industries, Inc. POWL fell 10.15% to $37.80 after the company reported downbeat Q1 results and lowered its FY15 outlook. Gilead Sciences Inc. GILD shares slipped 9.28% to $97.24 after the company beat fourth-quarter estimates, but offered a forecast below expectations. Wynn Resorts Ltd. WYNN shares declined 1.69% to $153.17 after the company reported financial results for the fourth quarter and missed analyst expectations.