According to @StockMKTNewz, March 16, 2020 marked the third worst single day in S&P 500 history, highlighted by a market-wide red snapshot of U.S. equities that traders can use as a benchmark for extreme risk-off conditions; source: @StockMKTNewz on X, Nov 23, 2025. The throwback image serves as a concrete historical reference for volatility scenario planning and drawdown stress tests that equity and crypto participants monitor when calibrating exposure during macro shocks; source: @StockMKTNewz on X, Nov 23, 2025.