MKS Instruments (NASDAQ:MKSI) reported quarterly earnings of $3.30 per share which beat the analyst consensus estimate of $2.96 by 11.49 percent. This is a 86.44 percent increase over earnings of $1.77 per share from the same period last year. The company reported quarterly sales of $1.248 billion which beat the analyst consensus estimate of $1.206 billion by 3.47 percent. This is a 28.26 percent increase over sales of $973.000 million the same period last year.