Core Insights - The S&P 500 Index and its leading ETFs, including VOO, IVV, and SPY, experienced significant volatility last week due to investor reactions to trade tensions between the US and China, as well as concerns regarding credit quality in regional markets [1] Group 1 - The volatility in the S&P 500 Index reflects broader market uncertainties stemming from geopolitical issues [1] - Trade issues between the US and China have been a primary driver of market fluctuations, impacting investor sentiment [1] - Concerns about credit quality in regional markets have added to the overall market instability, influencing ETF performance [1]