Credit spreads widen slightly this week.

Week's issuance of about $25 bln was down from $35.2 bln last week.

Market is on track for the slowest February since 2008 on prospect of rising U.S. interest rates.

Market is on track for the slowest February since 2008 on prospect of rising U.S. interest rates.

Successful bond issue suggests investors have forgotten banks huge trading loss.

Companies issue $45 bln of debt this week, locking in low borrowing costs.

Thursdays issuers included Comcast, Newell Rubbermaid and Royal Bank of Canada.

Comcast, McKesson, Newell Rubbermaid also plan offerings.