<ul><li>President Donald Trump's latest tariffs have triggered a flurry of losses for investors, reversing already waning momentum in the US stock market and sparking a decline in the US dollar.</li><li>The benchmark S&P 500 index has shed all gains achieved after Donald Trump's presidential win in November.</li><li>Moves in the Nasdaq Composite are a clear indicator of the risk-off shift in stocks as investors flee some of the biggest tech winners of the last two years.</li><li>The trade war is creating unexpected waves in the US greenback, an asset that had been seen as a winner of Trump's protectionist policy.</li></ul>

3 of the most striking moves on a wild day for markets

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