Hello, I'm Nick Marsh with the BBC Business Update.
The Supreme Court of the United States could rule as soon as today,
Friday, on whether President Trump's use of emergency powers to impose tariffs is illegal.
At a hearing in November,
justices appeared skeptical of the Trump administration's justification for blanket import taxes on most of its trading partners.
With more details, here's our North America business correspondent, Michelle Flurry.
The cases before the Supreme Court were brought by an educational toy manufacturer and a family-owned wine and spirit importer,
both challenging tariffs imposed during Donald Trump's presidency.
At the heart of the dispute is whether the International Emergency Economic Powers Act,
known as IEPA,
gave the president the authority to impose sweeping tariffs,
or whether doing so exceeded constitutional limits.
Reports in US media say White House officials are considering paying Greenlanders directly as part of Donald Trump's efforts to acquire the Arctic territory.
The Reuters news agency says payments could be between $10,000 and $100,000 per person.
Polls of Greenland's 57,000 inhabitants have consistently showed that most are opposed to joining the United States,
even if a majority would like to eventually gain independence from the Kingdom of Denmark.
The US carmaker General Motors has said it'll write off another $6 billion linked to its decision to scale back investments in electric vehicles.
GM is the latest carmaker to scale back on EVs in response to President Trump's decision to end Biden-era federal policies designed to foster the adoption of zero-emission vehicles,
as well as slower demand.
And OpenAI has launched a new chat GPT feature in the United States which can analyse people's medical records to give them better answers.