The past week or so there has been a macro play on China tightening supply of rare elements. The mining sector in general has been extremely hot this year of course off the back of metals like silver and gold rising. This latest news which I imagine is further driving speculation of supply issues has boosted the share prices of a lot of mining stocks.
Rare earth minerals have a plethora of uses from fuel, to computers, and even lasers. This company called China Direct Industries CDII does magnesium mining and has rights on zinc mines. The balance sheet has $49 million in net tangible asset value against a current market cap of just $50 million.
full disclosure: no position in CDII