The mad surge in the copper price took even ardent bulls by surprise, but doubts are beginning to creep in about the sustainability of the rally, at least in the short term.
Biden plans to allow mines that produce EV metals to be developed under existing environmental standards, rather than face a tightened process that would apply to other materials.
Prices for some rare earths in China, such as praseodymium-neodymium, have spiked to multi-year highs this year amid strong demand from the electric vehicle sector.