With the U.S. stock market hovering near all-time highs, investors may want to diversify into markets in other geographies.Whether it's the U.S. government shutdown, the broader market hitting all-time highs, or perhaps too much exuberance around artificial intelligence (AI), there's plenty of reason to question the elevated valuations of U.S. stocks. U.S. markets are the envy of the world, but every asset has an appropriate value, which is why it can be beneficial for investors to broaden their horizons an ...