3M reported second-quarter earnings of $2.08 per share, an increase of 3.0% versus the second quarter of 2015. Sales declined 0.3% year-on-year to $7.7 billion. Organic local-currency sales declined 0.2% while acquisitions, net of divestitures, added 1.4% to sales. Foreign currency translation reduced sales by 1.5% year-on-year.   Operating income was $1.9 billion and operating income margins for the quarter were 24.4%, up 0.5 pecentage points year-on-year. Second-quarter net income was $1.3 b...