text: Stocks Tumble; Greenspan Jolts Investors  NEW YORK (Reuters) - U.S. stocks fell sharply on Friday as  investors were jolted by a \$2 jump in oil prices and a warning  from Federal Reserve Chairman Alan Greenspan that the dollar  had further to fall.
inputs: Stocks Tumble; Greenspan Jolts Investors  NEW YORK (Reuters) - U.S. stocks fell sharply on Friday as  investors were jolted by a \$2 jump in oil prices and a warning  from Federal Reserve Chairman Alan Greenspan that the dollar  had further to fall.