Energy stocks sub-index .SPTTEN fell 3.23%, with Cenovus Energy CVE.TO, down 4.7%, Vermilion Energy VET.TO, losing 4.2%, and Enerplus Corp ERF.TO, declining 5.5%. The floods that caused widespread devastation in Canada's western province of British Columbia and cut off access to key infrastructure could further fuel inflation and weighed on sentiment, fund managers said. Oil prices fell below $80 a barrel on Friday, while the Dow Jones Industrial Average .DJI succumbed to its fourth losing session in the last five.