M-Tron Industries (AMEX:MPTI) reported quarterly earnings of $0.43 per share which missed the analyst consensus estimate of $0.54 by 20.37 percent. This is a 18.87 percent decrease over earnings of $0.53 per share from the same period last year. The company reported quarterly sales of $15.109 million which beat the analyst consensus estimate of $14.750 million by 2.43 percent. This is a 13.76 percent increase over sales of $13.282 million the same period last year.