housing market vulnerability rating has been reduced from “moderate” to “low” in the Canada Mortgage and Housing Corporation’s latest market assessment.The results, released Tuesday, show the city is trending in the opposite direction of the housing sector nationwide, whose vulnerability rating increased from “moderate” to a “high degree” of vulnerability.Bob Dugan, the corporation’s chief economist, suggested the COVID-19 pandemic may have played a role.“Exceptionally strong demand and home price appreciation through the course of the pandemic may have contributed to increased expectations of continued price growth for homebuyers in several local housing markets across Ontario and Eastern Canada,” he said.“This, in turn, may have caused.