The Fed has, in effect, been adding both risk and return to its portfolio.

本质上，美联储资产组合的风险与收益都在增加。

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Editorial Cartooning-for a distinguished cartoon or portfolio of cartoons published during the year, characterized by originality, editorial effectiveness, quality of drawing, and pictorial effect.

编辑漫画中，一位杰出的漫画或组合的漫画在这一年中，其特点是创意，编辑效益，质量的绘画，及图案效果。

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There is a plethora of research literature about the diversification effect of stock portfolio overseas.

对股票投资组合国际多元化的效应的研究，国外的文献已经多如汗牛充栋了。

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So from a volatility standpoint, rebalancing does appear to have a positive effect on a portfolio--you won't hit the same heights, but neither will you experience the same losses an untended portfolio experiences.

FORBES: Rethinking Rebalancing

While stock prices can move quickly and dramatically when estimates have a material change there is still a lag effect as analysts and Portfolio Managers evaluate the numbers and related material.

FORBES: Apple's Stock Price and Earnings Estimates. What It Could Mean When It Reports.

There is a multiplier effect that occurs in a portfolio when index funds are used to represent every asset class.

FORBES: Nation's Largest Pension Considers More Indexing