Kaiser Aluminum (NASDAQ:KALU) reported quarterly earnings of $3.74 per share which beat the analyst consensus estimate of $1.86 by 101.08 percent. This is a 159.72 percent increase over earnings of $1.44 per share from the same period last year. The company reported quarterly sales of $1.107 billion which beat the analyst consensus estimate of $984.900 million by 12.40 percent. This is a 42.40 percent increase over sales of $777.400 million the same period last year.