Sloot/iStock Editorial via Getty Images Rio Tinto Group (OTCMKTS: OTCPK:RTNTF) is one of the largest mining corporations in the world, with a market capitalization of well over $100 billion USD. The company continues to be susceptible to changes in ore prices. However, it continues to generate strong cash flow with incredibly important assets. That will enable the company to continue generating long-term shareholder returns. Rio Tinto Financial Performance Rio Tinto has continued to focus on strong financia ...