Southwest Gas Hldgs (NYSE:SWX) reported quarterly earnings of $0.58 per share which beat the analyst consensus estimate of $0.45 by 28.89 percent. This is a 9.43 percent increase over earnings of $0.53 per share from the same period last year. The company reported quarterly sales of $358.154 million which missed the analyst consensus estimate of $416.203 million by 13.95 percent. This is a 68.02 percent decrease over sales of $1.120 billion the same period last year.