NEW YORK, NY – MAY 18: The Nasdaq board in Times Square advertises Facebook which is set to debut on the Nasdaq Stock Market today on May 18, 2012 in New York, United States. The social network site is set to begin trading at roughly 11:00 a.m. ET and on Thursday priced 421 million shares at $38 each. Facebook, a Menlo Park, California based company, will have a valuation exceeding $100 billion. (Photo by Spencer Platt/Getty Images)
