This Element is an excerpt℗¡from The ETF Trend Following Playbook: Profiting from Trends in Bull or Bear Markets with Exchange Traded Funds (ISBN: 9780137029013) by Tom Lydon. Available in print and digital formats. How to use international ETF investing to improve diversification-and keep profiting when U.S. markets are struggling! Nearly 70% of global market capitalization is outside the United States. Rarely do all countries and global regions enjoy prosperity or economic challenges at the same time. By identifying countries that are prospering during periods when their markets are trending in the right direction, investors can diversify their portfolios and profit outside domestic markets.