The parents of American Airlines and United Airlines unveiled stock-buyback plans, continuing the transformation of the country's largest carriers from bankruptcy into some of the most profitable in the world.
3M Co. reported a 5.8% increase in profit for the second quarter, fueled partly by stronger sales of respiratory face masks and water-filtration products in China and other developing countries where pollution fears are growing.
McDonald's said it will continue to use a longtime meat provider in China, except for the Shanghai facility accused of selling expired chicken and beef. The decision underscores the difficulty in finding safe food suppliers in China.
The U.S. government wants to phase out thousands of railroad tank cars that carry crude oil and ethanol within two years, as part of proposed rules to upgrade safety for trains carrying flammable fuels.