Prices of RNF shares moved higher by about 50% from August to February, but have nose dived since then as the higher price of natural gas has begun to finally take its toll.
According to the ETF Finder at ETF Channel, RNF makes up 1.45% of the Dynamic Basic Materials Sector Portfolio ETF ( AMEX: PYZ )which is trading higher by about 0.5% on the day Friday.