Oil Prices
FILE - In this Aug. 4, 2010 file photo, a gas pump nozzle is shown, in Portland, Ore. Oil prices slipped further below $90 a barrel Friday. Dec. 31, 2010, as investors took profits amid light year-end trading volume. Despite the fall, oil prices are set to end the year around 12 percent higher than where they started _ a clear signal that the global economy has returned to growth following the worst recession since World War II .(AP Photo/Rick Bowmer, file)
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