International stocks have been disappointing recently. With trade wars, Brexit struggles, rising interest rates and immigration issues, world investment market returns have faltered. But that’s no reason to avoid them. While it is often difficult for investors to hold an asset that is dragging down overall portfolio value, it’s important to remember that at some point these underperforming assets, which are trading at low valuations, will offer buy opportunities. Here are seven ways to invest in international stocks and diversify your portfolio.