Diet Coke may take the pop out of Coca-Cola shares By: CNBC.com News March 27, 2014 at 13:29 PM EDT Coca-Cola and others have survived U.S. soda volume declines for years by raising prices. But the recent decline in Diet Coke consumption looks tough. Read More >> Related Stocks: Coca-Cola Enterprises JPMorgan Chase & Co Nielsen NV PepsiCo