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

[EX Q]: Okmetic 's silicon wafers are part of a further processing chain that produces end products that improve human interaction and quality of life .
[EX A]: neutral

[EX Q]: Olvi , which controls a 94 percent stake in Ragutis through A. Le Coq , said in its annual report published earlier this year that the Lithuanian brewery 's sales reached 15.04 million euros last year , a rise of 20.4 percent from 12.49 million euros in 2004 .
[EX A]: positive

[EX Q]: The metal has gained 41 percent this year as demand from China , the world 's largest user , increased .
[EX A]:
positive