Unit expands lending as confidence in U.S. economy grows.

Issuance hit $17.6 bln Wednesday as companies lock in falling yields.

Issuance hit $17.6 bln Wednesday as companies lock in falling yields.

Eroding forecasts for economic growth cut into corporate issuance.

Eroding forecasts for economic growth cut into corporate issuance.

Busiest week for corporate issuance in five months led by Amgen.

Busiest week for corporate issuance in five months led by Amgen.

$500 mln issue was aimed at individuals, sold in $25 increments.