The Wall Street Journal U.S. Further Tightens Chip Restrictions, Adds Chinese Firms to Blacklist — In the Biden administration’s final days in office, it moves to shut loopholes in U.S. export-control rules. China Has a $1 Trillion Head Start in Any Tariff Fight — China’s trade surplus shows Western efforts to reduce dependence on China are coming up short. The Financial Times Rio Tinto sees signs of stabilisation in Chinese property — Miner says outlook for US econo