Buying Canadian is a matter of pride for shoppers. For major grocery chains, it's an opportunity

The Buy Canadian movement has arrived in the country's major grocery stores. You've probably noticed labels with bright red maple leafs, prominent displays stacked with Canadian products or promotional flyers that tout homegrown items. "All the best things have always been made here. All we had to do was look," proclaimed a recent Buy Canadian-themed commercial from supermarket giant Sobeys, one of several supermarket giants trying to prove its Canadian bona fides to consumers amid a tariff war