https://phys.org/news/2018-12-huawei-detained-canada-angering-china.html > The arrest stirred tensions just as the United States and China agreed to a ceasefire in their trade spat while negotiators seek a deal within three months. > News of her detention rippled through stock markets in Asia, particularly Shanghai and Hong Kong, with tech firms among the worst hit. By lunch Shanghai was 1.3 percent lower while Hong Kong was 2.6 percent off.