Funds that try to match the new index will similarly be selling off old economy stocks in favor of New Economy companies.

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The index found a 12 percent improvement in new car fuel economy, which is reflective of wholesale abandonment of V-8-powered SUVs and trucks in favor of four-cylinder compacts.

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The compromise legislation includes a procedural trigger so that the provisions only go into effect if the economy continues its recovery, using the Federal Reserve Bank of New York's Coincident index, which is a measure of New York City's economic strength.

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