Sales Strengthen in Second Fiscal Quarter Oklahoma City, OK  (RestaurantNews.com)  Sonic Corp. (NASDAQ: SONC), the nation’s largest chain of drive-in…

Sonic Corp., the nation’s largest chain of drive-in restaurants, today announced that its Board of Directors authorized a stock repurchase…

Sonic Corp., the nation’s largest chain of drive-in restaurants, today announced that certain of its subsidiaries have issued $500 million…

Sonic Corp., the nation’s largest chain of drive-in restaurants, today announced that certain of its subsidiaries intend to refinance their…