Here's Why The Volcker Rule Really Could Crush The Banks' Hedge Fund Businesses: "On Friday, after it was announced that banks could only invest 3% of their capital into hedge funds, under the proposed financial reform bill, John Carney at CNBC argues that in fact this would prove to be a massive boon to the banks. For one thing, banks are mainly interested in hedge funds for the management fees, not so much for the upside appreciation directly"