This index could make you a richer stock investor By: MarketWatch January 15, 2013 at 07:31 AM EST There’s a new investment index that you can’t trade, but it could help you make bigger profits or suffer smaller losses, writes John Prestbo. Read More >> Related Stocks: Amtd Idea Group Apple Bank of America Charles Schwab Cisco Systems E Trade Financial Facebook Ford Motor Google, Inc. Intel Corp Microsoft