Tony Zingale, center, Chairman and CEO of Jive Software, celebrates his company's IPO at Nasdaq, Tuesday, Dec. 13, 2011 in New York. Jive, headquartered in Palo Alto, Calif., makes Facebook-type social networks for business. Robert Greifeld, right, is the CEO of Nasdaq-OMX Stock Market, Inc. (AP Photo/Mark Lennihan)