PTC Inc. (PTC shares ended the last trading session 17.6% higher at $210.47. The jump came on an impressive volume with a higher-than-average number of shares changing hands in the session. This compares to the stock's 4.7% gain over the past four weeks.The increase in share price can be attributed to the potential buyout of the company by Autodesk, as reported by Bloomberg. Both PTC and Autodesk are strong contenders in the software space, with similar product lineups in computer-aided design (CAD) and pro ...