Gibraltar Industries (NASDAQ:ROCK) reported quarterly earnings of $0.45 per share which missed the analyst consensus estimate of $0.50 by 10 percent. This is a 50 percent decrease over earnings of $0.90 per share from the same period last year. The company reported quarterly sales of $356.287 million which beat the analyst consensus estimate of $351.160 million by 1.46 percent. This is a 44.62 percent increase over sales of $246.357 million the same period last year.