3M reported first-quarter earnings of $2.05 per share, an increase of 10.8% versus the first quarter of 2015. Sales declined 2.2% year-on-year to $7.4 billion. Organic local-currency sales declined 0.8% while acquisitions, net of divestitures, added 1.6% to sales. Foreign currency translation reduced sales by 3.0% year-on-year.   Operating income was $1.8 billion and operating income margins for the quarter were 24.1%, up 1.3 percentage points year-on-year. First-quarter net income was $1.3 bi...