Preformed Line Products (NASDAQ: PLPC) reported quarterly earnings of $4.49 per share which beat the analyst consensus estimate of $2.41 by 86.31 percent. This is a 75.39 percent increase over earnings of $2.56 per share from the same period last year. The company reported quarterly sales of $212.681 million which beat the analyst consensus estimate of $193.000 million by 10.20 percent. This is a 25.40 percent increase over sales of $169.601 million the same period last year.