The Bank for International Settlements (BIS) said there were already signs that “the ratcheting up of rhetoric” was weighing on investment. It comes as Donald Trump steps up hostility with some of the US’s key trading partners and allies, raising fears of a full-blown trade war…..The US president is threatening Beijing with tariffs on $200bn of goods imported from China and on Friday Trump threatened to impose tariffs on European cars after Brussels introduced levies on American goods such as Levi’s jeans, bourbon whiskey and Harley-Davidson motorbikes.