SLM (NASDAQ: SLM) reported quarterly earnings of $0.32 per share which missed the analyst consensus estimate of $0.53 by 39.62 percent. This is a 71.17 percent decrease over earnings of $1.11 per share from the same period last year. The company reported quarterly sales of $377.000 million which beat the analyst consensus estimate of $371.564 million by 1.46 percent. This is a 1.30 percent increase over sales of $372.172 million the same period last year.