Valuation Disagreement Sinks Rio And Glencore Mega-Merger - Glencore (OTC:GLCNF), Rio Tinto (NYSE:RIO)

For more than a decade, billionaire Ivan Glasenberg chased the White Whale of mining M&A, a merger between Glencore (OTC:GLCNF) and Rio Tinto (NYSE:RIO) .Close, but No CigarThe most recent round began quietly in mid-December, when the two companies entered formal discussions. Talks accelerated in January once the approach became public, triggering U.K. takeover rules. The confirmation forced Rio to either make a formal offer or walk away by February 5. By that point, advisers had already spent weeks digging ...