You have half of your assets in one single asset class: U.S. Common stocks.

你将半数资产,投资于单一类别,美国普通股

耶鲁公开课 - 金融市场课程节选

Turns out that 50% of endowment assets in the mid-1980s were invested in common stocks, 40% of endowment assets were in U.S. Bonds and U.S. Cash, and 10% in a smattering of alternatives.

结论是19世纪80年代中期的捐赠资产,50%用于普通股投资,40%用于美国债券和美元现金投资,10%用于其他投资

耶鲁公开课 - 金融市场课程节选