您要找的是不是：
vt. 阻止；排除；防止
n. 捣锤；上墨皮垫；轻拍的人
?达尔巴
市场研究公司达尔巴（Dalbar）估计，在1991年到2010年期间，虽然标准普尔500指数的回报率是9.1%，但普通的共同基金投资者只获得了3.8%的回报率。
Morningstar has studied this bias as have DALBAR, Vanguard and other companies.
FORBES: Investment Principle Matters to Principal
Bond investors did even worse against the Barclays Capital Aggregate Bond Index, Dalbar says.
WSJ: Investment-Policy Statements: Good Practice for Investors and Advisers
The Dalbar study also concluded that most long-term, passive investors are fickle about holding their investments.
FORBES: Bad Rap For Buy and Hold
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