Rio Tinto and Glencore in Talks to Form World’s Biggest Miner

Rio Tinto Group is in talks to buyGlencore Plc to create the world’s biggest mining company with a combined market value of more than $200 billion, a little over a year after earlier talks between the two collapsed.

The companies have been discussing a potential combination of some or all of their businesses including an all-share takeover, they said in separate statements on Thursday. Glencore shares surged 10% in London, while Rio Tinto retreated 2.2% after falling 6.3% in Australia.

A tie-up between the two companies would represent the largest-ever deal in an industry that has been gripped by ...