On the global financial markets on the evening of Tuesday 9 April it was noted negative dynamics of stock indices. Investors evaluate the risks of a global economic slowdown due to the new initiatives of the US in trade wars. Thus, it became known that the office of the U.S. trade representative is considering the introduction of new duties on imports from the EU, because it is concerned about the subsidies of Airbus by the EU. American President Donald trump, as to be found on Twitter, has clarified that the total duties on European goods could reach $ 11 billion a year — exactly the same amount estimated U.S. damage due to the subsidies to the European aircraft manufacturer.