CBC.ca | Oil breaks through $50 US mark on Russian airstrikes CBC.ca Oil prices briefly broke through the $50 US mark Thursday afternoon, buoying the Canadian dollar and boosting the energy sector on Toronto's stock market. West Texas Intermediate crude, the main North American contract, rose four per cent or $1.91 to ... Oil prices settle over 3% higher, briefly top $50 US Oil Prices Briefly Top $50 a Barrel for First Time Since July Oil surges to settle at three-month high on bullish outlook |