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The Nasdaq Composite stock market index is seen inside its studios at Times Square in New York in this file image

Nasdaq Tops 3,000 for First Time Since 2000

The Nasdaq Composite Index briefly crossed the 3,000 mark Wednesday for the first time in 12 years, boosted by the European Central Bank's action to increase liquidity in the euro zone financial system and a better-than-expected revision to the U.S. quarterly economic growth.