<a href=http://www.ft.com/cms/s/0/4a502ebc-b287-11e4-b234-00144feab7de.html?ftcamp=published_links%2Frss%2Fcompanies_uk%2Ffeed%2F%2Fproduct class="colorbox">Rio Tinto unveils $2bn share buyback</a>
Miner warns on impact of slowing Chinese growth as it moves to appease shareholders …read more From:: http://www.ft.com/cms/s/0/4a502ebc-b287-11e4-b234-00144feab7de.html?ftcamp=published_links%2Frss%2Fcompanies_uk%2Ffeed%2F%2Fproduct