Prosensa Holding NV (NASDAQ:RNA) was upgraded by stock analysts at KBC Securities from a “hold” rating to an “accumulate” rating in a report issued on Wednesday. The firm currently has a $11.00 price objective on the stock, up from their previous price objective of $7.00. KBC Securities’ target price would indicate a potential upside of 1.57% from the company’s current price. Prosensa Holding NV (NASDAQ:RNA) … Continue reading Volatile Stocks: Prosensa Holding (NASDAQ:RNA), 22nd Century Group Inc (NYSEMKT:XXII), Alnylam Pharmaceuticals (NASDAQ:ALNY), AVEO Pharmaceuticals, Inc. (NASDAQ:AVEO), ZIOPHARM Oncology Inc. (NASDAQ:ZIOP)