Manufacturers and construction companies — as well as consumers — would face higher prices if the U.S. jacks up tariffs on copper, analysts said.

U.S. stocks closed at record highs Wednesday, with the Nasdaq leading the charge after Nvidia became the first chipmaker to cross a $4 trillion valuation. The tech rally helped offset market concerns ...

US markets rallied on Wednesday, lifted by tech momentum and investor optimism despite fresh tariff developments from ...