2018-04-04T14:58:54Z
Stocks plunge on trade war fears after China retaliates to US tariffs
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The expected return (or expected gain) refers to the value of a random variable one could expect if the process of finding the random variable could be repeated an infinite number of times. Formally, it gives the measure of the center of the distribution of the variable. It is calculated by using the following formula: E[R]= \sum_^R_P_, where: : R_ is the return in scenario i; : P_ is the probability for the return R_ in scenario i; and : i counts the number of scenarios.
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