SARATOGA SPRINGS, N.Y. — Convenience store chain and ice-cream purveyor Stewart’s Shops is expanding its private-label candy bar line, the retailer has announced on its website and through social media. Premium Dark Chocolate Mint joins Premium Dark Chocolate With Raspberry and Chocolate with Caramel bars.It replaces the Chocolate with Peanut Butter flavor, according to a comment on the Stewarts Shops Facebook page.Read more