REFILE-COLUMN-Customized green portfolios make more of a difference
April 19, 2013 at 14:24 PM EDT
CHICAGO, April 19 (Reuters) - Green stock funds have always made me blue. There are dozens of socially responsible, "clean-tech" or environmentally friendly mutual and exchange-traded funds, but I have a hard time recommending them. They are typically too expensive because of their fees, have poor returns and are too concentrated in highly volatile stocks.