The Big Picture
The rare-earth elements -- supply and demand have "a wild dynamic."

Introduction
There are 16 rare-earth elements on the periodic table. Many of them, particularly neodymium, dysprosium, lanthanum, terbium and europium, are used to make specialized magnets, phosphors and other components in high-tech gadgets and green technologies.

Over 95 per cent of the world's supply of rare-earth elements comes from China. As its internal needs grow, China is steadily reducing the amount available for export -- by 40 per cent over the past seven years, according to the Journal of Energy Security...more

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