Prothena Corp (NASDAQ:PRTA) reported quarterly earnings of $0.60 per share which beat the analyst consensus estimate of $(0.34) by 276.47 percent. This is a 153.57 percent increase over losses of $(1.12) per share from the same period last year. The company reported quarterly sales of $51.084 million which beat the analyst consensus estimate of $1.010 million by 4.96K percent. This is a 1.71K percent increase over sales of $2.828 million the same period last year.