U.S. copper futures jumped to the highest in nearly nine months after President Trump said he would impose 25% tariffs on all steel and aluminum imports.

Arizona officials said copper has been stolen from mining sites, electrical poles and other sites at higher rates than ever. Here's what to know.

The author has maintained a consistently bullish outlook on copper, anticipating a rebound off the $4 per pound support level ...

The price of copper in the United States rocketed on Monday after U.S. President Donald Trump pushed forward his plans to ...

President Donald Trump says he has directed the Treasury Department to stop minting new pennies, citing the rising cost of ...

Three men have been formally charged with stealing copper wire from a utility substation, resulting in power outages to Las Vegas Strip resorts and the airport.

Three laser experiments today: laser-induced electroless copper plating, laser-assisted electroplating on stainless steel, ...

Base metal prices were mixed, with aluminum gaining, after Trump said he plans a blanket 25% tariff on all U.S. steel and aluminum imports, with another announcement about reciprocal tariffs for all ...

Investing.com - U.S. President Donald Trump says he will announce new tariffs on steel and aluminum imports, while fresh inflation is due out later in the week. Elsewhere, more co ...

Last Friday evening, the most-traded SHFE copper 2503 contract opened at 77,360 yuan/mt, fluctuated upward initially, and peaked at 77,950 yuan/mt during the session. It then fluctuated downward, ...