US lumber prices, which already have risen in recent months due to lower production in Canada, could see further gains after President-elect Donald Trump’s proposed tariffs on trade from north of the border. Lumber futures in Chicago rose as much as 2.1% to $599 per 1,000 board feet Tuesday after the president-elect posted on social media that he would impose 25% tariffs on all goods from Canada and Mexico unless those countries curb the flow of fentanyl and migrants into the US. Shares of forestry companies, including West Fraser Timber Co. and Interfor Corp ...