"The current rating assumes they will be able to raise additional funding by end of February," said S&P analyst David Hitchcock in a conference call with investors on Tuesday.

The conference call came after S&P cut its credit rating on Puerto Rico, dropping the cash-strapped U.S. territory's debt to junk-bond status at BB-plus on concerns about its ability to access capital markets.

(Reporting by Edward Krudy; Editing by Chris Reese)

Stocks treated in this article : Assured Guaranty Ltd., MBIA Inc.