On Tuesday (4/5/11), ProShares introduced two new ETFs providing inverse exposure to U.S. Treasury securities and allowing investors to potentially profit from rising interest rates.  The ProShares UltraShort 3-7 Year Treasury (TBZ) becomes the first U.S.-listed ETF to provide inverse exposure to the 3-7 year segment of the U.S. Treasury market, and it does . . . → Read More: ProShares Introduces Additional Inverse Treasury ETFs