Southwest Gas Hldgs (NYSE:SWX) reported quarterly earnings of $1.91 per share which missed the analyst consensus estimate of $2.10 by 9.05 percent. This is a 15.76 percent increase over earnings of $1.65 per share from the same period last year. The company reported quarterly sales of $585.119 million which missed the analyst consensus estimate of $715.294 million by 18.20 percent. This is a 54.85 percent decrease over sales of $1.296 billion the same period last year.