Last week, a rebound in oil prices helped energy focused exchange traded funds (ETFs) including Canada. Jennifer Kwan of Reuters reports energy companies rose on the colder weather hitting the U.S. and worries that OPEC would further cut supply. Materials were up as the price of gold surged. A great way to play the oil and metal stocks is with iShares MSCI Canada Index (EWC). Energy makes up a hefty 39% and Industrial Materials 17% of the ETF.