Crude Oil- 7th Largest 2-Month Rally In History, Now What? By: TalkMarkets May 20, 2015 at 14:09 PM EDT Crude Oil traders now might want to be a little more cautious since the rally over the past two months has been historically large. Read More >> Related Stocks: DB Crude Oil -2X ETN Powershares United States Oil Fund iPath Dow Jones-Goldman Sachs Crude Oil Fund