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What are two ways to improve server efficiency?
Portfolio of Risky Securities
A collection of investments that contain a degree of risk, with the expectation of achieving higher returns compared to risk-free assets.
Weighted Sum
A mathematical technique where each component is multiplied by a factor reflecting its importance before their sum is computed.
Variance of Returns
A measure of the dispersion of returns for a given security or market index, typically used to gauge the risk associated with a particular investment.
Covariance of Returns
A measure used in finance to assess how two investments move in relation to each other over a period.
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