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A model expert developed a model. He gathered lots of historical data, which shows unilateral bull market, that is, only upward trend. If he made investment suggestions based on these historical data, is he in violation of the Code and Standards?
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" d% H, D5 s/ ?/ U c' ` A. No
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+ o3 o8 a5 c5 J B. Yes, because he should combine more of other theories to make decision.7 t: w P: g) ~( p, L! V$ M
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C. Yes, because he should also simulate more of the downward trend.
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4 R, x9 i9 y1 t! [& S; H9 j% e' @/ f答案和详解，登录后回复可见：
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发表于 2015-11-17 13:16:57
发表于 2019-5-20 13:35:32
