3M reported second-quarter 2019 results.   “I am encouraged by our company’s progress and performance in the second quarter,” said Mike Roman, 3M chairman and CEO. “Our execution was strong in the face of continued slow growth conditions in key end markets, as we effectively managed costs and improved cash flow.”   Sales were down 2.6% to $8.2 billion in the second quarter of 2019. Organic local-currency sales decreased 0.9% while acquisitions, net of divestitures, increased sales by 0.1%. Forei...