NEEDHAM, Mass.--(BUSINESS WIRE)--PTC (Nasdaq: PTC) today announced that management will speak at the Barclays 2014 Global Technology Conference on Tuesday, December 9th, 2014 at 4:20pm ET.     What: PTC to present at Barclays 2014 Global Technology Conference   When: Tuesday, December 9th, 2014 at 4:20pm ET   Webcast: www.ptc.com/for/investors.htm   Replay: The audio replay of this event will be archived for public replay until 4:00pm ET onFriday, December 19th, 2014. To access the replay via w