Benzinga's M&A Chatter for Tuesday May 19, 2015 By: Benzinga via Benzinga May 19, 2015 at 20:04 PM EDT The following are the M&A deals, rumors and chatter circulating on Wall Street for Tuesday May 19, 2015: Pandora Acquires Next Big ... Read More >> Related Stocks: 3D Systems Corp Citrix Systems General Electric Hc2 Holdings Inc Macy's Pandora Media Inc