Rio Tinto (NYSE: RIO ) ( OTCPK:RTPPF ) ( OTCPK:RTNTF ) has been aggressively investing in ramping up its production and improving its position in the mining industry for quite some time. The stock has not providedI am a dedicated financial risk manager and investor specializing in financials, consumer, and technology industries. I am not receiving compensation for it (other than from Seeking Alpha). Any views or opinions expressed above may not reflect those of Seeking Alpha as a whole. Seeking Alpha is not a licensed securities dealer, broker or US investment adviser or investment bank.