Morning Market Losers

RealPage (NASDAQ: RP) shares tumbled 23.63% to $16.36. RealPage expected Q2 adjusted EBITDA of $11.5 million to $12.5 million on revenue of $93.8 million to $94.8 million JMP Securities downgraded RealPage from Market Outperform to Market Perform and removed the price target of $24.00.Advanced Micro Devices (NYSE: AMD) shares fell 19.04% to $3.70 after the company issued a weak revenue forecast for the current quarter. AMD reported its Q2 earnings of $0.02 per share on revenue of $1.44 billion. AMD projected Q3 sales to range from a 1% drop to a 5% gain. Analysts at FBR Capital downgraded AMD from Outperform to Market Perform and lowered the target price from $6 to $4.50. Key Energy Services (NYSE: KEG) dropped 12.19% to $7.35 on weak Q2 outlook. INSYS Therapeutics (NASDAQ: INSY) shares fell 8.95% to $23.00. Nu Skin Enterprises (NYSE: NUS) dropped 7.50% to $61.52 after Bank of America analyst Olivia Tong downgraded the stock from Neutral to Underperform and lowered the price target to $63.NQ Mobile (NYSE: NQ) shares slipped 6.90% to $4.05 after the company announced that it has dismissed PricewaterhouseCoopers Zhong Tian LLP as its independent auditor.Teekay LNG Partners LP (NYSE: TGP) fell 5.41% to $44.41 after the company priced 2.8 million common units offering at $45.05.