Investment opportunities as housing improves By: MarketWatch March 13, 2012 at 23:01 PM EDT As the U.S. housing market slowly improves, investors should look to home-improvement retailers for growth opportunities — and even home builders and banks. Read More >> Related Stocks: Bank of America Home Depot Hovnanian Enterprises Inc Lowe's Companies Nuveen Mortgage and Income Fund Toll Brothers Inc Wells Fargo