...founder of Charlotte-based Speedway Motorsports and Sonic Automotive Inc., has gone online with a Web site called SoldUSA...merchandise and tickets through its Web sites, while Sonic Automotive Inc. sells 450 to 500 cars a trucks monthly on the...

...before going to federal prosecutors with accusations against his former employer, Charlotte, N.C.-based Sonic Automotive Inc. Sonic Automotive didn't return a telephone call seeking comment Monday. The group also reviewed lawsuits against...