Making AI-chip monster Nvidia the first company to be valued at $4 trillion briefly on Wednesday, investors parsing another ...

When the American copper premium over the international benchmark surged 138% in one trading day, it was more than a sign of market turbulence it was a historic divergence that had the potential to ...

President Trump’s 50% tariffs on copper, due to start August 1, are causing unusual distortions in the metal markets. Copper is now 25% more expensive in New York than London. And there’s a rally in ...