African Minerals: Credit Suisse cuts target from 800p to 740p, outperform rating kept.Anglo American: Credit Suisse cuts target from 2,900p to 2,500p, neutral rating unchanged.Antofagasta: Credit Suisse cuts target from 1,300p to 1,150p, neutral rating kept.Aquarius Platinum: Credit Suisse cuts target from 85p to 55p, neutral rating kept.BHP Billiton: Credit Suisse downgrades from outperform to neutral, target cut from 2,460p to 2,100p.ENRC: Credit Suisse slashes target from 900p to 500p, outperform rating kept.Fenner: Jefferies keeps buy rating and 565p target.Ferrexpo: Credit Suisse cuts target from 350p to 270p, neutral rating kept.JD Wetherspoon: HSBC upgrades to overweight.Kazakhmys: Credit Suisse cuts target from 1,100p to 800p, underperform rating kept.London Mining: Credit Suisse cuts target from 530p to 470p, outperform rating kept.Lonmin: Credit Suisse cuts target from 850p to 740p, underperform rating kept.Marks & Spencer: Singer Capital Markets downgrades to fair value, target cut from 375p to 340p.Mondi: Jefferies reiterates buy rating and 665p target.Old Mutual: Nomura upgrades to buy, target lifted from 150p to 202p.Rio Tinto: Credit Suisse cuts target from 4,650p to 3,800p, outperform rating kept; BarCap upgrades to overweight, target cut from 4,200p to 3,900p.Rockhopper: Merchant Securities reiterates buy rating.Tullow Oil: Jefferies keeps buy rating and 1,800p target.Yule Catto & Co: N+1 Brewin upgrades to hold.BC