In some cases, copper may be quoted per metric ton, which is useful for large-scale industrial transactions. This is particularly common in global markets where larger quantities are standard.

(Bloomberg) -- Major US producers of electrical wire are raising prices just weeks after a surprise decision by President Donald Trump to exempt the most basic copper imports from tariffs, suggesting ...

America's race to lock down copper has turned a once-sleepy industrial metal into a frontline asset of economic and geopolitical strategy. Prices are surging, domestic premiums are distorting global ...

Often strung from utility poles or buried beneath our feet, copper wire has played a critical role in powering America’s electrical grid for more than a century. But brazen thefts are threatening the ...