GM (GM) May U.S. sales: -1.2% to 221,192 vehicles, vs. Edmunds expectations of +2%. Chevrolet...

|By:, SA News Editor
GM (GM) May U.S. sales: -1.2% to 221,192 vehicles, vs. Edmunds expectations of +2%. Chevrolet down 3.5%; GMC up 8.1%; Cadillac down 5.7%; Buick up 23.8%. (PR)