3M reported third-quarter 2015 earnings of $2.05 per share, an increase of 3.5% versus the third quarter of 2014. Sales declined 5.2% year-on-year to $7.7 billion. Organic local-currency sales grew 1.2% and acquisitions, net of divestitures, added another 1.0%. Foreign currency translation reduced sales by 7.4% year-on-year.   Operating income was $1.9 billion and operating income margins for the quarter were 24.3%, up 0.9%age points year-on-year. Third-quarter net income was $1.3 billion and ...