Cramer: Mergers that could unlock riches for you By: CNBC.com News May 21, 2015 at 18:35 PM EDT Jim Cramer considers this group to be the single best group out there, and it's ready to pull off some big deals. Time to call your broker. Read More >> Related Stocks: CVS Health Corp Cigna Corp Deutsche Bank Ag Gsk Plc ADR Humana McKesson Corp Netflix Pfizer Rite Aid Corp UnitedHealth Group Walgreens Boots Alliance