Shares of PTC Therapeutics, Inc. (NASDAQ:PTCT – Get Free Report) dropped 2.9% on Tuesday . The company traded as low as $38.61 and last traded at $39.10. Approximately 132,714 shares were traded during trading, a decline of 83% from the average daily volume of 801,563 shares. The stock had previously closed at $40.27. Analyst Ratings […]