Wall Street JournalOil Rises on Weak Dollar, Warnings From Royal Dutch ShellWall Street JournalOil prices rose on Thursday on several bullish factors, including a weak dollar, a contract expiration and warnings from one of the world's biggest oil compa …

Wall Street JournalOil Prices Rise; Views Differ on Market DirectionWall Street JournalOil prices rose Thursday, rebounding from sharp losses in another big swing that underscores the contrasting views on the market's direction. Many investors and trad …

Wall Street JournalOil Trades Higher on OPEC CommentWall Street JournalOil prices have plunged more than 55% since mid-June on concerns about ample supplies and tepid demand. OPEC decided in November not to lower its output quota, sending prices tumbling l …

CNBCOil Tests New Lows After Greek ElectionWall Street JournalLONDON—Oil prices extended their slump into the new week by falling to fresh 5 ½ year lows after Greece's elections added to uncertainty in Europe. Crude has fallen more than 55% since last …