Why The Recent Oil Price Rally Is Unsustainable By: TalkMarkets May 19, 2015 at 06:17 AM EDT Crude oil prices have risen by about 40% over the past weeks after falling to a six-year low. Read More >> Related Stocks: Credit Suisse Nass Velocity Shs DB Crude Oil -2X ETN Powershares United States Oil Fund iPath Dow Jones-Goldman Sachs Crude Oil Fund