I agree with foreign investing. I can't rationalize the benefit.
Jack Bogle: Trump Is Wrong, ETFs Are Bogus and Foreign Investing Is Useless
Bogle vigorously defended the index fund, which was designed to buy stocks in proportion to their market capitalization, not according to what a manager thinks will do well. But he cautioned that index mutual funds were much safer than ETFs, which also track stock indexes. Unlike mutual funds, ETFs can be bought and sold like stocks all day long, which encourages investors to speculate instead of investing for the long term.
"A lot of people will say that shows how stupid I am," Bogle remarked about his decision to pass on ETFs, but "I have no regrets about it."
"Exchange-trade funds are fine, just so long as you don't trade them," Bogle said. If you buy them, hold them for the Warren Buffett-endorsed term: forever.