Falling metals prices in response to escalating problems in Japan have pressured miners lower.Kazakhmys, Eurasian Natural Resources Corp, Anglo American, Antofagasta and Fresnillo are all losing 3% or more.Meanwhile, airline IAG and cruise operator Carnival are among the best performers, helped higher on the falling price of oil.Fund manager Schroders is edging lower despite being upgraded from 'underperform' to 'neutral' by Credit Suisse.Insurance titan Aviva is also in the red after announced it is to raise £381m through the sale of part of its stake in Dutch and Belgian subsidiary Delta Lloyd.---bcFTSE 100 - RisersInternational Consolidated Airlines Group SA (IAG) 221.70p +2.88%Carnival (CCL) 2,425.00p +2.49%Shire Plc (SHP) 1,861.00p +1.20%Unilever (ULVR) 1,922.00p +0.95%Scottish & Southern Energy (SSE) 1,330.00p +0.91%InterContinental Hotels Group (IHG) 1,272.00p +0.79%AstraZeneca (AZN) 2,989.50p +0.78%GlaxoSmithKline (GSK) 1,231.50p +0.53%TUI Travel (TT.) 231.30p +0.52%Tesco (TSCO) 397.20p +0.51%FTSE 100 - FallersKazakhmys (KAZ) 1,430.00p -4.22%Eurasian Natural Resources Corp. (ENRC) 934.50p -3.81%Johnson Matthey (JMAT) 1,869.00p -3.56%GKN (GKN) 197.40p -3.52%Anglo American (AAL) 3,228.50p -3.32%Fresnillo (FRES) 1,606.00p -3.31%Antofagasta (ANTO) 1,436.00p -3.30%Invensys (ISYS) 323.20p -3.20%ARM Holdings (ARM) 564.50p -3.09%Lloyds Banking Group (LLOY) 60.50p -2.98%