One significant trend has emerged this year: The biggest winners this year are abroad. Emerging markets stocks represented by the iShares MSCI Emerging Markets ETF (EEM) are higher by more than 7% this year, while all non-U.S. equities in the iShares MSCI ACWI ex U.S. ETF (ACWX) gaining more than 5%. The U.S. market has lagged in comparison, with the S&P 500 in negative territory year to date. The broad market index has lost 0.3%. That relationship is at odds with what was in place last decade when a strong ...