fundamentals , page-2

"The Bloomberg Rare Earth Mineral Resources Index is a modified market capitalization weighted index whose equities are capped at 15%. For inclusion, a company needs to have a mineral resource whose definition is compliant with either the National Instrument 43-101 or Joint Ore Reserves Committee Code classification rule. Technology Metals Research consulted on the index creation."

Only one company on the list has cash flow that I can so I'm not sure how you make the correlation to RE prices.

Oh, unless your taking sentiment, but then how do we measure that?