Core Insights - The conclusion of the U.S. copper import tax saga raises questions about whether the copper market will revert to a "supply-demand hell" scenario [1] - U.S. copper inventories have reached a 21-year high, which is expected to impact global markets significantly [1] Group 1 - The end of the copper import tax in the U.S. may lead to increased volatility in the copper market [1] - The high levels of copper inventory in the U.S. could disrupt global supply chains and pricing dynamics [1]