Kaiser Aluminum (NASDAQ:KALU) reported quarterly earnings of $5.53 per share which beat the analyst consensus estimate of $2.66 by 107.89 percent. This is a 357.02 percent increase over earnings of $1.21 per share from the same period last year. The company reported quarterly sales of $1.256 billion which beat the analyst consensus estimate of $1.118 billion by 12.37 percent. This is a 52.59 percent increase over sales of $823.100 million the same period last year.