The Hudson’s Bay Company shuttered nearly all the Zellers stores in Canada in 2013. Now the chain is being resurrected as a store-within-a-store concept inside The Bay. Zellers, which once was the go-to store for Canadians looking to stretch their dollars, faces more competition today at the low end of the market than it did when it was last in business. Rob McLean, a marketing professor at the University of Guelph, says Zellers faces stiff competition from Dollarama, Walmart, Amazon and others.