Here are 5 mounting risks that could hurt the S&P 500, according to BofA

Core Insights - Valuations in the market are currently high, indicating potential overvaluation concerns for investors [1] - There are increasing signs of a bear market, suggesting a possible downturn in market conditions [1] - Companies are facing challenges due to tariff uncertainties, which may impact their operational costs and profitability [1] - A data blackout is affecting companies, limiting their access to critical information necessary for decision-making [1]