NASDAQ:TLT (iShares Trust - iShares 20+ Year Treasury Bond ETF)

The investment seeks to track the investment results of the ICE U. The fund generally invests at least 90% of its assets in the bonds of the underlying index and at least 95% of its assets in U.S. government bonds. The underlying index measures the performance of public obligations of the U.S. Treasury that have a remaining maturity greater than or equal to twenty years.