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

[EX Q]: '' Every partner will be allowed to buy a quantity of electricity corresponding to their share in the consortium , at production cost , '' a letter of intent said .
[EX A]: neutral

[EX Q]: 6 October 2010 - Finnish paints and coatings company Tikkurila Oyj HEL : TIK1V announced today the launch of Tikkurila ProHouse method for protection of wooden surfaces via treatment with Ultra Pro waterborne products .
[EX A]: neutral

[EX Q]: Operating profit margin was 8.3 % , compared to 11.8 % a year earlier .
[EX A]:
negative