Are Rare Earth Prices Rising?

The Nikkei Asian Review reported that rare earth prices are rising, and that China is making moves to stockpile the key materials.
As quoted in the publication:

$56 per kilogram — up 10% from a month ago and the highest since July 2015. Dysprosium prices have climbed 3% from the previous month to $265 per kilogram, while prices of terbium, a phosphor raw material, have increased 11% to around $570 per kilogram.
China, which accounts for over 80% of global production of rare-earth metals, is boosting domestic reserves. Since April, the country’s six major suppliers have started building up commercial reserves. Deposited in warehouses designated by Beijing, those commercial reserves give an additional buffer for China to respond to market conditions. For this year, a total of roughly 5,000 tons of nine types of rare-earth metals are expected to be set aside as commercial reserves in three installments.

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