Classify the given a piece of financial news into three classes: positive, negative, and neutral. Output must be 'positive', 'negative', or 'neutral'.
Example: According to Gran , the company has no plans to move all production to Russia , although that is where the company is growing .
Example solution: neutral
Example explanation: Although the author uses negative words like 'no' in the news, there is no evidence of the news being positive or negative for any stakeholder. Hence, the output should be neutral and the classification is correct.

Problem: In January-September 2007 , Finnlines ' net sales rose to EUR 505.4 mn from EUR 473.5 mn in the corresponding period in 2006 .

Solution: positive