PTC Therapeutics (PTCT) Stock on November 28, 2025: S&P SmallCap 600 Debut, Insider Selling and a 90% YTD Rally
November 28, 2025 PTC Therapeutics, Inc. (NASDAQ: PTCT) is ending November 28, 2025 as one of the most talked‑about biotech small caps on Wall Street. The rare-disease specialist has just been added to several key S&P indices, is trading near