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。

youdao

In effect, with Bear Stearns being sold for such a low price, including its valuable office property, the price of the securities portfolio is zero.

随着贝尔斯特有效的以这样一个低价售出，包括他那些有价值的办公产业，而那些安全的办公文件却不值钱。

youdao

The paper analyses the parameter uncertaintys effect on the investors optimal portfolio choice, it suggests if the investor ignores the estimation risk, he may by lead to take p.

文章考虑投资者自身预测力存在估计误差的感知风险（参数不确定性）对投资者最优资产组合选择问题的影响。

youdao

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

NextEra, with 95% of its portfolio in clean or renewable fuels, noted that the mark-to-market effects of certain hedges, the net effect of other than temporary impairments (OTTI), and certain asset sales had a substantially negative effect on its earnings.

FORBES: NextEra Energy Posts Disappointing Earnings