USA TODAYStocks give back gains and turn lower as oil slump persistsUSA TODAYStocks have given up big early gains Tuesday and have turned lower in late-morning trading as a renewed dip in oil prices offset the positive start to the day following a second s …

CBC.caAlberta NDP warns that oil's continued slide could delay campaign promisesCBC.caAlberta's NDP government warns that it could cut spending in the upcoming spring budget and delay election campaign promises last spring, as crude oil prices cont …