Definition: Classify the given a piece of financial news into three classes: positive, negative, and neutral. Output must be 'positive', 'negative', or 'neutral'.
Input: ADP News - May 29 , 2009 - Bank of America BofA downgraded today its ratings on Swedish-Finnish paper maker Stora Enso Oyj HEL : STERV and on Finnish sector player UPM-Kymmene Oyj HEL : UPM1V to '' underperf
Output:
negative