Classify the given a piece of financial news into three classes: positive, negative, and neutral. Output must be 'positive', 'negative', or 'neutral'.

Ex Input:
Altogether Finnair has canceled over 500 flights because of the strike .

Ex Output:
negative

Ex Input:
ALEXANDRIA , Va. , July 11 -- Hannu Kahonen of Juuka , Finland , has developed an ornamental design for a handle for fire pit door , the U.S. Patent & Trademark Office announced .

Ex Output:
neutral

Ex Input:
For the current year , Raute expects its net sales to increase and the operating result -- to be positive .

Ex Output:
positive