The general principle of portfolio management is: you want to include as many assets as you can.

投资组合管理总的原则是：,不同的资产越多则组合越佳。

耶鲁公开课 - 金融市场课程节选

So, Andrew Redleaf bought General Motors bonds, which were selling at a discount because people worry that General Motors wouldn't be able to pay on them, and then he asked to speak to the General Motors management.

安德鲁·莱德利夫买了通用汽车的债券,这个债券是以折扣价购买的,因为人们担心,通用汽无法偿付债券,莱德利夫接着要求,与通用汽车公司的管理层会面

耶鲁公开课 - 金融市场课程节选