Average gas prices are 86 cents higher this Thanksgiving, but that isn't keeping more than 31 million Americans from piling into their cars and driving to holiday celebrations in near record numbers.

NPR: Americans Take Off for Thanksgiving

Short-sellers have been blamed for piling into commercial and investment bank stocks and driving stock prices lower.

WSJ: McCain Says Cox Should Be Fired As SEC Chief Amid 'Casino' Markets

The researchers found no evidence of things going the other way around, with speculators driving up prices and nervous commercial traders piling in to protect themselves.

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