Portfolio有价证券组合
It is a grouping of financial assets such as stocks，bonds and cash equivalents，as well as their mutual，exchange-traded and closed-fund counterparts．Portfolios are held directly by investors and/or managed by financial professionals．
Prudence suggests that investors should constructan investment portfolio in accordance with risk tolerance and investing objectives．Think of an investment portfolio as a pie that is divided into pieces of varying sizes representing a variety of asset classes and/or types of investments to accomplish an appropriate risk-return portfolio allocation．
For example，a conservative investormight favor a portfolio with large cap value stocks，broad-based market index funds，investment-grade bonds and a position in liquid，high-grade cash equivalents．In contrast，a risk loving investormight add some small cap growth stocks to an aggressive，large cap growth stock position，assume some high-yield bond exposure，and look to real estate，international，and alternative investment opportunities for his or her portfolio．
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