Despite efforts made by McDonald's to earn a healthier reputation, salad sales only make up about 2% to 3% of the restaurant's total U.S. sales.

Cheesecake bites, new spicy chicken sandwiches and the extension of its summer shake promotion help lift sales for Sonic Corp. during the first quarte

Despite efforts made by McDonald's to earn a healthier reputation, salad sales only make up about 2% to 3% of the restaurant's total U.S. sales.