The list of blue chip fallers is littered with miners as the dollar's ongoing recovery sends commodity prices lower.Xstrata, Lonmin, Kazakhmys and Rio Tinto are nursing losses, while a fall in oil prices towards $78 a barrel has hurt Petrofac, BP and Shell.Insurer Prudential fell as a 22% dive in UK sales to £157m sent group insurance sales down 9% during the third quarter to £700m.Legal & General fell in sympathy, although peer Friends provident is going the other way, topping the risers.The drop in share prices from recent highs is proving bad news for Man Group. The world's biggest hedge-fund manager's AHL Diversified Futures fund has fallen in value this past week.FTSE 100 - RisersFriends Provident Group (FP.) 81.40p +3.10%Tesco (TSCO) 402.80p +1.76%Morrison (Wm) Supermarkets (MRW) 277.60p +1.35%Diageo (DGE) 969.00p +1.04%Centrica (CNA) 246.50p +0.94%National Grid (NG.) 602.00p +0.75%Inmarsat (ISAT) 569.00p +0.62%Vodafone Group (VOD) 138.40p +0.44%Admiral Group (ADM) 1,072.00p +0.28%Rexam (REX) 275.60p +0.22%FTSE 100 - FallersMan Group (EMG) 303.30p -8.45%Xstrata (XTA) 896.00p -7.96%Prudential (PRU) 563.00p -7.78%Lonmin (LMI) 1,526.00p -7.57%Kazakhmys (KAZ) 1,132.00p -7.52%Wolseley (WOS) 1,273.00p -6.81%Petrofac Ltd (PFC) 952.00p -5.93%Invensys (ISYS) 286.80p -5.78%Legal & General Group (LGEN) 78.10p -5.39%Rio Tinto (RIO) 2,721.00p -5.21%