Performance Brokerage Services Advises on the Sale of Covina Hills Chevrolet in Covina, California /PRNewswire/ -- Performance Brokerage Services, North America's highest volume dealership brokerage firm, is pleased to announce the sale of Covina Hills ... prnewswire.com prnewswire.com / feeds prnewswire-com-news-releases .. prnewswire-com-financial-services / / #news / / 17 days 17d Share