"Sold down to 640.5p, Antofagasta, the copper producer focused on Chile, rallied to close just 0.2 per cent lower at 674p. The recovery was prompted by speculation that the Luksic family had been approached by China Development Bank with an offer for their controlling 65 per cent stake."
http://www.ft.com/cms/s/0/78ee66f4-d485-11dc-9af1-0000779fd2ac.html