Copper prices plummeted 7% Friday to about $4.50 a pound in New York. Copper has plunged nearly 15% since hitting a 2025 peak price of about $5.25 in late March. But copper is still up about 13% ...

Transition metals such as zinc, copper and iron must be avidly acquired to reach intracellular concentration quotas of tens to hundreds of micromolar; however, few if any of these ions are thought ...