Benzinga's M&A Chatter for Thursday May 21, 2015 By: Benzinga via Benzinga May 21, 2015 at 19:08 PM EDT The following are the M&A deals, rumors and chatter circulating on Wall Street for Thursday May 21, 2015: CVS Health to Acquire ... Read More >> Related Stocks: AbbVie Axis Capital Holdings CVS Health Corp EXOSF Macerich Co Macy's Pfizer Shire Plc Ads Simon Property Group