Analysis: Wall Street still in the hedge fund game

``The proposal caps the amount banks' can invest at 3 percent of an institution's Tier 1 capital -- the core capital that regulator's use to judge a bank's strength... For instance, Goldman Sachs Group Inc, according to a securities filing, had $15.5 billion invested in its own funds, including private equity and hedge funds. That was 23 percent of its $68.5 billion in Tier 1 capital at the end of the first quarter.''