1.   Falling Treasury bond yields also boosted stocks.

2.   A falling yield curve is explained by investors expecting short-term rates to be lower in the future.

3.   And stock prices have risen sharply, in part because stocks seemed to offer a better return than Treasury securities and bonds, with their falling yields.

4.   Asset-backed bonds also lagged because they mostly carry shorter maturities, which benefit less from falling yields.

5.   At the same time, falling yields reduce corporate borrowing costs, which eventually boost profits.

6.   Bank shares may help lead the index higher, as well, because of falling yields, analysts said.

7.   Bank stocks, which are among the biggest beneficiaries of falling yields, gained.

8.   Bank issues rose on falling yields for bonds.

9.   Bank shares were helped by the falling yields.

10.   A rally in bonds and falling yields tempered the losses.