As a result, it has upgraded the sector and highlighted companies such as Anglo American, up 25p at 1229p, and Xstrata, 18p better at 681p. It has upgraded AA - which in recent months has underperformed peers such as Rio Tinto, 1p dearer at 1445p, and BHP Billiton, 2 3/4p higher at 465 1/4p - from neutral to buy and raised its 12-month target from 1275p to 1450p.