Key TakeawaysMacy’s is joining the list of large retailers making a big summertime sales push.The largest U.S. department store chain said it is holding its first "All-Star Week" starting next Tuesday and running for eight days.Amazon's Prime Day, Target's Target Circle Week, and Walmart's Walmart Deals sales events also are taking place this month. Macy's on Wednesday announced a special summer sale, joining other big retailers making a major seasonal push to bring in customers. The biggest U.S. department ...