Westlake Chemical (NYSE:WLKP) reported quarterly earnings of $0.40 per share which missed the analyst consensus estimate of $0.43 by 6.98 percent. This is a 185.71 percent increase over earnings of $0.14 per share from the same period last year. The company reported quarterly sales of $305.675 million which missed the analyst consensus estimate of $522.000 million by 41.44 percent. This is a 28.64 percent increase over sales of $237.629 million the same period last year.