The U.S. bond market experienced a significant sell-off Tuesday, raising concerns for stock investors. Historically, such bond market activity often precedes periods of increased volatility or downturns in the stock market. The sell-off is interpreted by some as a signal that investors are anticipating higher inflation or a shift in monetary policy. This development warrants close monitoring by investors, as it could indicate a need to adjust portfolio allocations to mitigate potential risks. The bond market's signal adds to the growing uncertainty surrounding the economic outlook.