CHARLOTTE, N.C.–(BUSINESS WIRE)–Circle K, the global convenience store chain, is throwing the party of the summer – and everyone’s invited. As America celebrates its 250th birthday, Circle K is America’s Party Stop, kicking things off with a Fuel Day at participating locations across the U.S. on May 7 and delivering savings, big rewards and community moments that make every stop worth celebrating all summer long. The celebration kicks off with a signature Circle K Fuel Day event on Thursday,