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

Example Input: Shares in Royal and Sun Alliance continued to slide back from a 12-month high of 172p last month , after a potential suitor ruled itself out of a takeover bid .
Example Output: negative

Example Input: Finnish plumbing and heating systems supplier Uponor 's net sales in continuing business operations decreased to EUR 249.1 mn in July-September 2008 , compared to EUR 262.1 mn in the third quarter of 2007 .
Example Output: negative

Example Input: Aviation Systems Maintenance is based in Kansas and generated net sales of USD 2.6 million for 2008 .
Example Output:
neutral