:投资组合理论的基本思想：投资组合是一个风险与 收益的tradeoff问题，此外投资组合通过分散化的投 资来对冲掉一部分风险 —“nothing ventured,nothing gained'r -"for a given level of return to minimize the risk, and for a given level of risk level to maximize the return -“Don't put all eggs into one basket'” 制外榜阁氨多六当™ 投资组合理论的基本思想：投资组合是一个风险与 收益的tradeoff问题，此外投资组合通过分散化的投 资来对冲掉一部分风险。 ——“nothing ventured, nothing gained” ——"for a given level of return to minimize the risk, and for a given level of risk level to maximize the return“ ——“Don’t put all eggs into one basket