China’s “uniquely restrictive” data laws risk boosting US firms’ cost of doing business in the No. 2 economy and could lead to digital decoupling, a new report from a US business group said yesterday. The Chinese government’s curbs on data movement across borders, ambiguous regulation and inconsistent enforcement “are particularly challenging for multinational firms,” said the US-China Business Council, which describes itself as a private organization of more than 260 US companies operating in the Asian nation. “If the policies are implemented rigidly, a possible outcome is the creation of data islands that force companies to localize technology, people and...