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

Arto Ryymin , born 1964 , will replace Juhani Kaisanlahti who has worked as acting EVP , Healthcare & Welfare since August 2007 .
neutral

The OMX Helsinki 25 index was up 0.92 pct at 2,518.67 and the Helsinki CAP portfolio index was 0.91 pct higher at 4,711.19 .
positive

It is also 7.7 pct above the 12-month volume weighted average price of the stock .
positive