#MarketRebound fizzled as US stocks plunged after a brief rally. Hopes for trade negotiations were dashed by the White House's announcement of hefty tariffs on China. The S&P 500 closed at its lowest in nearly a year, flirting with bear market territory. The Dow and Nasdaq also saw significant declines. Investors, initially optimistic, were hit by renewed fears of a trade war and potential recession. Volatility remains high, with "extreme fear" gripping the market. The day's dramatic swings highlight the uncertainty surrounding trade policies.