While 2018 was the year trade wars broke out, 2019 will be the year the global economy feels the pain.

Bloomberg's Global Trade Tracker is softening amid a fading rush to front-load export orders ahead of threatened tariffs. And volumes are tipped to slow further even as the U.S. and China seek to resolve their trade spat, with companies warning of ongoing disruptions.

Already there are casualties. GoPro Inc. will move most of its U.S.-bound camera production out of China by next summer, becoming one of the first brand-name electronics makers to take such action, while FedEx Corp. recently slashed its profit forecast and pared international air-freight capacity.