Trump's trade tariff threat tweet torches totals Unlisted Video

Asian markets were a sea of red as Donald Trump's trade war threat with China panicked investors. Futures on major US indexes dropped 1.8% on the news, tumbling with shares in Asia and Europe. London Capital Group, a market analyst firm, said in an email to clients that Trump's threat took the markets by surprise and sent investors "into a risk off frenzy." Visit Business Insider's homepage for more stories.