Amkor Tech (NASDAQ:AMKR) reported quarterly earnings of $0.33 per share which beat the analyst consensus estimate of $0.22 by 50 percent. This is a 266.67 percent increase over earnings of $0.09 per share from the same period last year. The company reported quarterly sales of $1.685 billion which beat the analyst consensus estimate of $1.654 billion by 1.87 percent. This is a 27.46 percent increase over sales of $1.322 billion the same period last year.