11.   Investors as a rule sell the long maturities and buy shorter maturities to get away from market volatility.

12.   Investors sold the long maturities, moving to the short end of the market, fearing the Federal Reserve would raise interest rates sooner rather than later.

13.   Is human evolution ending, ushering in a long maturity in which Homo sapiens persists pretty much unchanged?

14.   Last year many of the supposedly safe funds sorely let down their owners, for reasons such as derivatives, foreign holdings, and long maturities.

15.   Meanwhile, investors sold long maturities while waiting for some signs of progress in talks aimed at producing a balanced budget.

16.   Prices of Treasury securities rose slightly in an abbreviated session, but investors sold long maturities while waiting for some signs of progress toward a balanced budget.

17.   Prices of Treasury securities gained Tuesday for the fourth straight trading day, with the long maturities posting the biggest gains.

18.   Selling was concentrated in securities with long maturities, and there was some buying at the short end.

19.   That short covering was heightened by speculation that a big buyer was in the market for long maturities.

20.   The administration has argued that bonds with such long maturities are, in essence stock.