Zai Lab (NASDAQ:ZLAB) reported quarterly earnings of $0.46 per share which beat the analyst consensus estimate of $(0.05) by 1038.78 percent. This is a 157.5 percent increase over losses of $(0.80) per share from the same period last year. The company reported quarterly sales of $127.597 million which beat the analyst consensus estimate of $124.472 million by 2.51 percent. This is a 16.99 percent increase over sales of $109.070 million the same period last year.