If I went back to my office after speaking with you this morning and took Yale's $22.5 billion dollars and put all of it into Google stock, asset allocation would have very little to say about what Yale's returns would be.

如果我今早下课之后回到办公室,把耶鲁的225亿美元,全部投资于谷歌股票,资产配置在这种情况下,对耶鲁的回报率就没有多少影响了

耶鲁公开课 - 金融市场课程节选

Mr. O'Higgins said his lack of confidence in the economy has forced him to pare his stock allocation to about 25% of the portfolio.

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For example, a portfolio that is allocated to 60 percent in stocks and 40 percent in bonds might be rebalanced when the stock allocation rises to 65 percent or drops to 55 percent.

FORBES: Investment Principle Matters to Principal

For those investors who want some exposure to foreign stocks, Bogle recommends an investment of no more than 20 percent of your total stock allocation, divided equally, into two Vanguard funds: Developed Markets Index Fund and Emerging Markets Index Fund.

NPR: Vanguard Founder Advises Riding Out The Storm