PTC Therapeutics (NASDAQ:PTCT) reported quarterly losses of $(0.85) per share which missed the analyst consensus estimate of $(0.66) by 28.79 percent. This is a 254.17 percent decrease over losses of $(0.24) per share from the same period last year. The company reported quarterly sales of $213.00 million which missed the analyst consensus estimate of $232.44 million by 8.36 percent. This is a 30.63 percent decrease over sales of $307.06 million the same period last year.