U.S.-Iran war exposes big market concentration risk. It isn't in S&P 500 stocks

Investors have poured money into emerging markets in recent years as the search for big stock gains has migrated overseas and as they look for diversification beyond the concentrated S&P 500. But the U.S.-Iran military conflict has reframed the concentration question, highlighting the level of risk in emerging markets when it comes to gains being dependent on a select number of stocks, many tied to the AI boom. The iShares MSCI Emerging Markets ETF (EEM) has had strong performance over the past few years an ...