Wall Street JournalOil-Industry Debt Mounts UpWall Street JournalSINGAPORE—Oil and gas companies are continuing to pile up debt, a trend some warn could extend the slump in energy prices and hit economies reliant on the sector for growth and tax revenue. B …

Press TVOil jumps 8% Friday, trims January loss to 9%MarketWatchNEW YORK (MarketWatch) -- The U.S. oil benchmark settled sharply higher Friday, though it still finished the month with a big loss. WTI crude for March delivery CLH5, +7.46% settled up by $3.7 …