Low-Volatility ETFs Outperform Broader Market Amid Tariff Uncertainty Low-volatility ETFs, such as the iShares MSCI Minimum Volatility ETF, are outperforming the broader U.S. stock market in 2025. Year-to-date, USMV is up 4.9%, contrasting with a 1.5% market decline. Despite recent tariff-related market rallies, uncertainty surrounding their implementation continues to weigh on investor sentiment and economic outlook.12