Before we head into Donald Trump’s first full day in office on Tuesday, here’s a look at what his first day back as president meant for technology, climate and markets

Chinese companies have increased their extraction of rare earths from northern Myanmar by an "unprecedented" amount, a new report says

German supplier warns it can no longer supply antimony to US clients, as China's export curbs begin to impact Western supply chains

The Commerce Ministry in Beijing announced an immediate halt on Tuesday to exports of gallium, germanium, antimony and superhard materials to the US

The US has added 30 more Chinese firms to its official blacklist for companies whose products are banned because of forced labour involving Uyghurs

A state enterprise is acquiring control of the last foreign-owned rare earth refineries in China, while details about the sector are now classed as state secrets

President Xi said at a summit in Beijing last month that from December goods from least developed countries with diplomatic ties to China would not be subject to import duties

The battle to keep US money and advanced tech from boosting China's military and AI capabilities is likely to rage on no matter who wins the election, although the candidates' styles are very different

China appears to be worried about the government that could emerge if the Myanmar military collapses; it reportedly fears the resistance is closer to Western nations

Metals like cobalt, nickel and platinum, which are in short supply on Earth, can be found in M-type asteroids

Prices of gallium and germanium have nearly doubled in the months since China tamped down their exports

China’s decision to restrict exports of antimony from mid-September could push the metal's price to $30,000 a ton, traders say