DexCom (NASDAQ:DXCM) reported quarterly earnings of $0.56 per share which beat the analyst consensus estimate of $0.47 by 19.15 percent. This is a 75 percent increase over earnings of $0.32 per share from the same period last year. The company reported quarterly sales of $1.191 billion which beat the analyst consensus estimate of $1.175 billion by 1.37 percent. This is a 14.96 percent increase over sales of $1.036 billion the same period last year.