Morning Gainers After One Hour of Trading

Impax Laboratories (NASDAQ: IPXl) +10.54% after announcing positive topline results of ASCEND-PD phase III study of IPX066 in advanced Parkinson's disease. Cathay General Bancorp

+11.21% - hearing that the company was upgraded to Outperform at RBC Capital Markets. Green Dot Corporation

+5.98% after Goldman Sachs upgraded the company to Buy Leap Wireless

+10.44% on a heavy volume. MedAssets

+10.20% - hearing the company was upgraded to Strong Buy at Raymond James. SunCoke Energy

+7.36% Hercules Offshore

+8.36% on a heavy volume. Kindred Healthcare

+7.00% on heavy volume. DryShips

+12.87 on a heavy volume. HCA Holdings

+9.05% - hearing the company was upgraded to the short-term buy list at Deutsche Bank.