So much for the Volcker Rule. Although the ink from President Obama's signature is barely dry on the financial regulation bill that became law last week, investment banks are already hard at work searching for loopholes. One of the more aggressive new requirements, the so-called Volcker Rule, would limit proprietary trading to 3% of Tier 1 capital. But the rule may be easy to sidestep. Goldman Sachs is leading the way around the regulation, by simply reclassifying many of its prop traders as asset managers.