ANTOFAGASTA PLC (ANFGF $18.80, RATING RAISED TO OVERWEIGHT FROM NEUTRAL, Price Target Remains at $24/share) INVESTMENT RATING RAISED AND RESTORED DUE TO RECENT COPPER INVENTORY DECLINES AND TIGHTENING; FIRST QUARTER PRODUCTION RESULTS INCORPORATED INTO MODELS 5/7/2012
ANTOFAGASTA PLC (ANFGF $18.80, RATING RAISED TO OVERWEIGHT FROM NEUTRAL, Price Target Remains at $24/share) INVESTMENT RATING RAISED AND RESTORED DUE TO RECENT COPPER INVENTORY DECLINES AND TIGHTENING; FIRST QUARTER PRODUCTION RESULTS INCORPORATED INTO MODELS 5/7/2012