7-Eleven owner rejects $38.7bn buyout offer from rival BBC.comJapanese 7-Eleven convenience store chain operator turns down Couche-Tard takeover offer KXAN.com7-Eleven’s parent company rejects $38.6 billion takeover bid, says offer ‘grossly undervalues’ company CNBC7-Eleven Rejects Takeover Bid From Big Canadian Chain The New York Times7-Eleven rejects multibillion-dollar offer from Circle K owner for huge convenience store merger CNN