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

Input: Consider Input: In February the Elcoteq group sold its St Petersburg facility ; according to unconfirmed information the reason could have been supply problems because of the Russian customs service .

Output: negative

Input: Consider Input: The company expects its net sales in the first half of 2008 to reach the previous year 's level .

Output: positive

Input: Consider Input: The investments and operational changes enable additional optimisation of the working hours and thereby further cost savings of some 7 % -9 % .
Output: positive