Suppose that a lot of money has been made by investing in stocks in sector A over the last few years. This year, please answer "A" if investing stocks in sector A with mediocre growth potential will generate more profit; or answer "OTHERS" if investing other stocks with high growth potential will generate more profit this year; or answer "UNKNOWN" if indifferent. Suppose you are a rational investor. Please provide and elaborate your answer.
 Respond with more than 400 words.
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