Analysts' “buy” and “sell” tips have almost no effect on share prices, according to research that confounds long-held beliefs over the influence of stock-pickers and calls into question investors' and banks' need to pay for their services.
一项调查表明，分析师们“买进”、“卖出”的交易提示，对股价几乎没有任何影响。此项调查动摇了人们长期以来对荐股专家影响力的信心，同时对投资者和银行付费使用此类服务的必要性提出了质疑。
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