Stocks gain most in more than a year on Fed, oil

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FILE - In this Oct. 2, 2014 file photo, people pass a Wall Street subway stop, in New York's Financial District. U.S. stocks are opening moderately lower Tuesday, Dec. 16, 2014, as the price of oil continues to drop. (AP Photo/Richard Drew, File)NEW YORK (AP) — A pledge from the Federal Reserve to remain “patient” when deciding when to lift interest rates gave the stock market its biggest gain in more than a year.