Just days after publicly rejecting Alimentation Couche-Tard’s unsolicited bid, Akron, Iowa-based Casey’s General Stores Inc. announced that it will be the one making an acquisition. Casey’s is purchasing 10 Holiday Stationstore convenience stores in Nebraska and Iowa, Bill Walljasper, senior vice president and CFO of Casey’s told the Omaha World Herald. Casey’s, which operates 1,500…