GSK (NYSE:GSK) reported quarterly earnings of $1.48 per share which beat the analyst consensus estimate of $1.26 by 17.78 percent. This is a 15.04 percent increase over earnings of $1.29 per share from the same period last year. The company reported quarterly sales of $11.527 billion which beat the analyst consensus estimate of $11.160 billion by 3.29 percent. This is a 10.65 percent increase over sales of $10.418 billion the same period last year.