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

[EX Q]: ALEXANDRIA , Va. , Oct. 3 -- Markka A. Oksanen and Harald Kaaja , both of Helsinki , Finland , Juha Salokannel of Kangasala , Finland , and Arto Palin of Viiala , Finland , have developed a system for providing communications security .
[EX A]: neutral

[EX Q]: According to Laavainen , Raisio 's food marketing used to be reactive and inconsistent .
[EX A]: negative

[EX Q]: The Finnish government announced Wednesday that it sold a 32 percent stake in chemicals and fertilizer group Kemira Oyj for ( x20ac ) 655.6 million ( $ 890US million ) , sending the company 's share price up 6 percent .
[EX A]:
positive