By Lauren Hirsch | NEW YORK Snap Inc’s in-demand shares are set to start trading in New York on Thursday after the owner of the popular Snapchat messaging app raised $3.4 billion in its initial public offering (IPO) on Wednesday, above its price expectations. Snap’s IPO was oversubscribed by more than ten-times, indicating a hunger for the shares that might produce a pop on the first day of trading. The New York Stock Exchange carried out a trial run last week to make sure the third-biggest ever technology IPO goes smoothly. Facebook Inc’s eagerly awaited market debut in 2012 was marred by a technical glitch at rival exchange Nasdaq. After pricing its IPO at $17 a share, the owner of[…]