7-Eleven owner's shares spike on report of new buyout offer

Shares in the Japanese owner of 7-Eleven surged Wednesday following reports that Canada's Alimentation Couche-Tard (ACT) had hiked its takeover offer by almost 20 percent. But Bloomberg News and Japan's Nikkei business daily reported Wednesday that ACT, which owns the Circle K brand, had upgraded its offer to $18.19 per share, or a total of around seven trillion yen ($47.2 billion).

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