SAH ▲ +0.7% - Sonic Automotive, Inc. $SAH - Sonic Automotive Expands Luxury Portfolio with Acquisition of Porsche Walnut Creek Sonic Automotive shares rose 0.7% following the company's announcement that it has acquired a Porsche dealership in Walnut Creek, expanding its luxury vehicle portfolio. The acquisition adds another premium brand location to Sonic's dealership network, which investors may view as a strategic move to increase exposure to the high-margin luxury segment of the automotive retail market. 27-AUG-2026 12:15 PM ET