Investing overseas has long been a prudent strategy to increase diversification and alpha potential within an overall equity allocation. More recently, non-U.S. investment allocations have dwindled as the U.S. stock market has continued its ascent and investors have followed those gains. But all categories cycle eventually and irregularly, and equity markets are adept for catching investors off guard. While the list is long, we highlight four reasons investing internationally remains a sound investment strategy, and why investors should assess their equity allocations today to ensure they are properly diversified and well positioned for the next 10 years—and beyond.