A truck carries a container near a cargo ship bound for Japan at the Centerm container ship terminal at the Port of Vancouver in Vancouver, British Columbia, Canada August 3, 2025. REUTERS/Chris Helgren Chris Helgren Reuters OTTAWA - Canada's trade surplus widened to a four-year high in May, with exports rising for the fourth consecutive month, as goods shipped to the United States topped their highest level since February last year, data showed on Tuesday.