Canada's Alimentation Couche-Tard on Thursday pulled its $46 billion bid to buy Seven & i Holdings, saying the retailer refused to engage constructively on the deal, which would have been Japan's largest ever foreign buyout.

Canadian retail chain Alimentation Couche-Tard is dropping its proposal to acquire Seven & i Holdings Co_, the Japanese operator of the 7-Eleven convenience store chain, citing frustration in ongoing negotiations that showed what it called “a lack of constructive engagement.

JGBs consolidate ahead of Japan’s Upper House elections on Sunday. Surveys surrounding the elections show prospects of the Liberal Democratic Party-Komeito coalition retaining its majority have grown even more uncertain than earlier in the campaign,