The problems with foreign markets, they are not as well regulated as US markets and because of rapid growth in some emerging markets, the chances of a severe meltdown is critical. I think that US SS money should be invested here, it helps finance growth here and avoid many pitfalls of international markets. Some ETF are quite solid, almost self culling (like the DIA, SPY and QQQ where failing companies are culled and new companies added). These funds should not be invested for maximum returns (which also entail maximum risk), but for higher returns than TIPS, the best long term returns with minimal risk.
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