TOKYO -- International prices of rare-earth elements have plunged 20% over the past year as overproduction in China has caused a supply glut.
Commodities
No longer rare: China's overproduction sends rare-earth prices tanking
Beijing's new restrictions on industry fail to reverse trend
An open-pit mine for rare-earth elements in California. The U.S. has expanded production of the metals to reduce dependence on China. © Reuters
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