TOKYO -- U.S. President Donald Trump's threat of tariffs is roiling the international copper market, with the "Shanghai ...

BEIJING (Reuters) -Chinese miner Zijin said it paused some operations in its Kamoa-Kakula copper mine in the Democratic Republic of Congo due to recent mine tremors of unknown cause, according to a ...

There is currently no official plan to recall pennies, and financial institutions are expected to continue accepting them. While pennies will remain legal tender, they will gradually disappear from ...

Coinstar converts $3 billion in coins into spendable cash every year, one coin jar at a time. The average jar yields $58 in buying power. Most of us don’t realize how much our coins are worth. Thus, a ...

Super Bowl commemorative medals or coins are composed of a copper, silver, and gold composite. Copper is the base metal. Each ...