New superconductor frenzy seems too super to be true
Scepticism has built around initial reports that LK-99 might prove to be a transformative discovery #press
Saudi Arabia says it could deepen oil production cuts
Fresh curbs risk stand-off with US, which wants lower prices to boost economy and squeeze Russian revenues #press
Treasury yields surge after US steps up plans to borrow more money
Sterling hits weakest level against the dollar since June after Bank of England raises benchmark rate to 5.25% #press