What Happened? Shares of product design software company PTC (NASDAQ:PTC) fell 7.5% in the morning session after the company's weak revenue forecast for the upcoming quarter overshadowed its strong third-quarter results. For the third quarter, PTC reported revenue of $893.8 million, a 42.7% year-over-year increase that comfortably surpassed Wall Street's expectations. Its adjusted earnings per share of $3.47 also significantly beat analyst estimates. However, investor enthusiasm was dampened by the compa ...