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

[Q]: S&P has kept its '' sell '' rating , while Nordea and UBS have reaffirmed their '' buy '' recommendations .
[A]: neutral

[Q]: At the same time , the market for automated liquid handling devices is already larger than that for pipettes , according to Biohit .
[A]: neutral

[Q]: Efore 's CEO Reijo Maihaniemi said that the company has developed and already delivered power supply units to respective systems based on this technology to Chinese sector company ZTE Corp SHE : 000063 .
[A]:
neutral