Traders wait for the IPO of ING U.S. on the floor at the New York Stock Exchange, May 2, 2013. Shares of ING U.S. Inc were up slightly in their New York Stock Exchange debut on Thursday after opening down 1 percent. Shares exchanged hands at $19.59 in early trading after opening at $19.25 as the company, an affiliate of Dutch financial services company ING Groep NV, raised $1.3 billion in its initial public offering. REUTERS/Brendan McDermid (UNITED STATES - Tags: BUSINESS)