Autodesk is trading 14.14% lower at $206.66 after a sharp after-hours decline from its October 19 regular-session close of $240.70. - Available search results did not identify a verified October 19 company announcement or late-breaking catalyst explaining the move. - Reported analyst and institutional-investment coverage does not establish a direct cause. - Major U.S. indices were higher on October 19, so broad-market weakness does not explain the decline.