Sonic Releases Preliminary Sales Results Sales Strengthen in Second Fiscal Quarter Oklahoma City, OK (RestaurantNews.com) Sonic Corp. (NASDAQ: SONC), the nation’s largest chain of drive-in… March 8, 2012 · ·
Sonic Announces Stock Repurchase Program Sonic Corp., the nation’s largest chain of drive-in restaurants, today announced that its Board of Directors authorized a stock repurchase… October 13, 2011 · ·