Hyundai and Kia enjoyed their best June ever in the U.S. Hyundai rose 7.7 percent over last year's performance with 63,813 units sold, and Kia gained 13.9 percent over June 2011 at 51,326 total sales. In addition, Kia also says the second quarter of 2012 represents its best quarter ever with 150,647 units sold, and...
