Facebook's big day: $104 billion company debuts on Wall Street
Facebook joins Nasdaq
Credit: Getty Images
NEW YORK, NY - MAY 18: People look into the window of the Nasdaq stock market moments before Facebook shares went public on May 18, 2012 in New York, United States. The social network site began trading after 11:30 a.m. with shares jumping 13% to $43 before quickly falling. On Thursday Facebook 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)

