3M reported its fourth-quarter and full-year 2016 results.   Fourth-quarter GAAP earnings were $1.88 per share, an increase of 13.3% versus the fourth quarter of 2015. Sales increased 0.4% year-on-year to $7.3 billion. Organic local-currency sales increased 1.6% while divestitures reduced sales by 0.4%. Foreign currency translation reduced sales by 0.8% year-on-year.   Operating income was $1.7 billion and operating income margins for the quarter were 22.7%, up 220 basis points year-on-year....