Alimentation Couche-Tard won't confirm reports it's on verge of acquiring rival

Convenience store chain Alimentation Couche-Tard Inc. said Tuesday it is in talks regarding "possible business transactions" but won't confirm reports it is about to buy Texas-based rival CST Brands. Earlier Tuesday, the Wall Street Journal, citing sources familiar with the matter, reported a deal between the companies could come this week and be worth at least $3.4 billion US. Responding at the request of the Toronto Stock Exchange's market surveillance division, Couche-Tard said no formal