Morning Market Top Percentage Gainers and Losers (CONN, TPX, EXPE, CAAS, QLTI, SCOK, IDIX, HERO, SGMO, YONG)

Best 1) Conn's (NASDAQ: CONN): Shares are surging 15.91% to $6.41. 2) China Automotive Systems (NASDAQ: CAAS): Ascending 15% to $9.39 after reporting that preliminary Q4 sales were ahead of consensus estimates. 3) Tempur-Pedic International (NYSE: TPX): Gaining 13% to $57.62 after raising its 2011 forecast yesterday afternoon. 4) Expedia (NASDAQ: EXPE): Popping 12.58% to $25.24 after the company revealed its plan to eventually separate its online travel business into two publicly traded equities. 5) QLT (NASDAQ: QLTI): Currently up 10.5% to $8.00. Worst 1) SinoCoking Coal & Coke Chemical Industries (NASDAQ: SCOK): Currently freefalling 17.06% to $6.41. Had been down over 20% to $5.75 before the bell. 2) Idenix Pharmaceuticals (NASDAQ: IDIX): Down 11% to $2.88 after announcing plans to sell stock to the public. 3) Hercules Offshore (NASDAQ: HERO): Plunging 8.31% to $5.85. News of an investigation by the Justice Department and the Securities and Exchange Commission for potential violation of the Foreign Corrupt Practices Act is taking its toll. 4) Sagamo BioSciences (NASDAQ: SGMO): Currently trading down 6.19% to $7.84. The company is planning a 6.7 million share public stock offering. 5) Yongye International (NASDAQ: YONG): Under heavy selling pressure since the opening bell. Shares are currently down 7.13% to $5.08.