3M (NYSE:MMM) reported quarterly earnings of $1.88 per share which beat the analyst consensus estimate of $1.77 by 6.21 percent. This is a 21.34 percent decrease over earnings of $2.39 per share from the same period last year. The company reported quarterly sales of $5.95 billion which beat the analyst consensus estimate of $5.76 billion by 3.42 percent. This is a 22.90 percent decrease over sales of $7.72 billion the same period last year.