Move underscores U.S. companies' uncertainty about tax reform.

Move underscores U.S. companies' uncertainty about tax reform.

For many borrowers, lower credit ratings involve little pain.

For many borrowers, lower credit ratings involve little pain.

Company is burning through cash as it invests in new programming.

Comcast, 3M and Wal-Mart among those buying back debt.

Comcast, 3M and Wal-Mart among those buying back debt.

With crude oil stabilizing around $50, there's a surge of issuance from energy companies.