NEW YORK, NY – NOVEMBER 14: Virgin America President and CEO David Cush (C) and Nasdaq CEO Robert Greifeld (R) ring the opening bell in celebration of the company’s initial public offering on November 14, 2014 in New York City. Virgin America is a US airline that raised $307 million by offering 13.3 million shares at $23 and lists on the NASDAQ under the symbol VA. (Photo by Michael Loccisano/Getty Images)