TD Banknorth in the US Northeast

(AP) -- A Ryan Beck analyst on Monday downgraded a slew of banking companies, said the industries faces obstacles ranging from an inverted yield curve to slowdowns in auto sales and the housing market.Analyst Jacqueline Reeves downgraded TD Banknorth Inc. to "Underperform" from "Market Perform" because she thinks the bank's parent, Toronto-Dominion Bank, is going to keep buying U.S. banks. TD