** Antofagasta leaps 20%, poised for its biggestone-day rise since Nov 2008, after copper surges morethan 5% to a 16-month high on Thursday
** Copper spikes on speculation US infrastructure spendcould jump under a Republican administration (sparks wave ofinterest in industrial metals); ANTO has high exposure to copper
** Peer Vedanta Resources, which posted H1 resultson Thursday, +15%, with Kaz Minerals andEvraz both up ~10%, BHP Billiton +3.8% andGlencore 6.4% higher
** ANTO top of Stoxx 600 as well as UK's FTSE 100
** Copper up 13% this wk (RM: tricia.wright1.thomsonreuters.com@reuters.net)