Comerica (NYSE: CMA) reported quarterly earnings of $1.42 per share which beat the analyst consensus estimate of $1.26 by 12.61 percent. This is a 7.19 percent decrease over earnings of $1.53 per share from the same period last year. The company reported quarterly sales of $849.000 million which beat the analyst consensus estimate of $842.389 million by 0.78 percent. This is a 3.03 percent increase over sales of $824.000 million the same period last year.