In fact, the regular versions of Coke, Pepsi, Dr Pepper and Mountain Dew outperformed their diet versions in 2013, the report said. Energy drinks, however, did well last year, growing 5%. If not for energy drinks, CSD volumes would have declined 3.3%. In fact, energy drink companies, Monster and the Austrian company, Red Bull, gained share in the year. Most of the beverage giants are expecting growth to accelerate in 2014 through aggressive marketing investments, innovation, accelerated cost savings and productivity improvements. However, we believe that until volumes improve and category challenges subside, the industry will continue to see a downslide. Read the Full Research Report on KO Read the Full Research Report on DPS Read the Full Research Report on PEP Read the Full Research Report on MNST Zacks Investment Research