DuPont announced that its board of directors approved a third quarter dividend of 47 cents per share, a 4% increase over the 45 cents paid last quarter. This is the third increase in the past 27 months. The third quarter dividend of 47 cents per share of common stock is payable Sept. 12, 2014, to stockholders of record Aug. 15, 2014. This is the 440th consecutive quarterly dividend since the company’s first dividend in the fourth quarter of 1904. “This increase in the dividend reinforces o...