CBC.ca | Oil tumbles to new low near $48 CBC.ca Crude is being driven lower because of oversupply, as the U.S. now produces far more oil than it used to because new technology has flooded the market with shale oil. So much oil, in fact, that the world is currently producing about three million more ... Canadian shares drop again as oil falls through $50 3 Stocks to Buy As Oil Falls Below $50 Per Barrel MarketsCanada's Loonie clipped by oil slump |