Fed plans new rules to protect future homebuyers

The Federal Reserve, trying to stabilize a shaky U.S. financial system, may give squeezed Wall Street firms more time to tap the central bank's emergency loan program, chairman Ben Bernanke said Tuesday.

And, in an effort to prevent a repeat of the current mortgage mess, Bernanke said the Fed next week will issue new rules aimed at protecting future homebuyers from dubious lending practices.