Thought this was timely. A new ETF (exchange traded fund) launched this week bucketing a group of global companies supplying rare earth elements. It got off to a fast start with investors quickly bidding up share prices.
http://seekingalpha.com/article/233201-new-rare-earth-metals-etf-off-to-a-running-start
http://www.vaneck.com/funds/REMX.aspx