The board of directors of 3M declared a dividend on the company’s common stock of $1.025 per share for the first quarter of 2015, a 20% increase over the quarterly dividend paid in 2014. The dividend is payable Mar. 12, 2015, to shareholders of record at the close of business on Feb. 13, 2015. 3M has paid dividends to its shareholders without interruption for 98 years....