Alimentation Couche-Tard CEO Alex Miller said on Tuesday the Canadian retailer would remain persistent in its efforts to pursue a deal with Japan's Seven & i and continue a "friendly approach" with the 7-Eleven operator. Couche-Tard had first approached Seven & i in August for the largest-ever foreign buyout of a Japanese company. It had offered $38.5 billion, but raised it to $47 billion after Seven & i rejected the initial bid. Miller's remarks echo Couche-Tard's chairman and co-founder Alain