It's something that permeates the portfolio and, I think, provides really interesting investment opportunities because a lot of the foreign markets are less efficiently priced than those that you find in the U.S.

渗入了整个投资组合,并提供了很有吸引力的盈利机会,因为很多国外市场,没有美国国内市场程度的有效定价

耶鲁公开课 - 金融市场课程节选

Foreign investments are classified into two categories: foreign direct investment ( FDI) and foreign portfolio investment (FPI).

FORBES: The ABCs Of Investing In India

Portfolio investment and foreign direct investment by Indians abroad has tailed off sharply since 1996 (see chart).

ECONOMIST: Indian bonds

Companies flooded the big emerging markets with foreign direct investment and portfolio managers bought higher yielding bonds in all four of the BRICs.

FORBES: What A "QE3" Would Mean For Emerging Markets