Rio Tinto's (RTP) $19.5B deal with Chinalco (ACH) is still 'evolving,' say officials. Rio...

|By:, SA News Editor

Rio Tinto's (RTP) $19.5B deal with Chinalco (ACH) is still 'evolving,' say officials. Rio chairman Jan du Plessis will spend the week speaking to shareholders in Australia, after meeting with major U.K. investors over the past two weeks.