3 mergers Cramer says every investor must know about By: CNBC.com News July 29, 2013 at 18:01 PM EDT There has been a lack of M&A in the market this year. Therefore, Cramer says a trio of recent deals demands attention. Read More >> Related Stocks: CVS Health Corp Drax Group Plc Facebook Google, Inc. HEALTHCARE Johnson & Johnson Omnicom Group Procter & Gamble S&P Retail SPDR Walgreen Company