Wall Street Roundup: Elizabeth Warren takes on banks. Paul Volcker's lobbying.

Plodding along. The economy grew in the third quarter, but not enough to provide much confidence in the current economic recovery.

Warren takes on banks. Elizabeth Warren, the woman charged with setting up the new consumer regulatory agency, said in a speech Thursday at UC Berkeley that the banks are still trying to undermine the agency and hurt consumers.

Volcker's lobbying. Paul Volcker is pushing for regulators to maintain the strictness of the legislation named after him, which aims to get banks out of certain risky types of trading.

-- Nathaniel Popper in New York