Stocks Oil Pops As Dollar Drops Oct 18, 2010 The United States Oil Fund(NYSE:USO) is trading higher today by 0.40 cents to $35.87. The move higher on the USO comes as the U.S. Dollar Index has declined since the opening bell. When the U.S. Dollar Index declines or sells off most commodities will rally and trade higher. As we all know by now most commodities are traded in U.S. Dollars. The USO will have short term intra-day resistance around the $36.04 area.