Gold miners are heading higher on the back of concerns about the bond markets. African Barrick Gold is the best of the risers today alongside Randgold Resources. The US FDA says that testing and validation methods at Smith & Nephew's Tuttlingen plant in Germany violate rules. Banks are weak on worries over the debt issues facing the eurozone. Royal Bank of Scotland and Lloyds are both under pressure.FTSE 100 - RisersAfrican Barrick Gold (ABG) 602.50p +3.52%Randgold Resources Ltd. (RRS) 5,420.00p +2.94%Investec (INVP) 533.00p +2.30%Anglo American (AAL) 3,362.50p +1.68%Lonmin (LMI) 1,981.00p +1.12%Hammerson (HMSO) 424.30p +1.05%Antofagasta (ANTO) 1,621.00p +1.00%Autonomy Corporation (AU.) 1,544.00p +0.92%Shire Plc (SHP) 1,546.00p +0.85%Wolseley (WOS) 2,056.00p +0.83%FTSE 100 - FallerSmith & Nephew (SN.) 672.50p -1.97%Admiral Group (ADM) 1,515.00p -1.94%Next (NXT) 2,008.00p -1.91%Centrica (CNA) 336.50p -1.69%International Power (IPR) 441.10p -1.67%Royal Bank of Scotland Group (RBS) 40.04p -1.57%Serco Group (SRP) 579.50p -1.45%Vodafone Group (VOD) 169.65p -1.42%Lloyds Banking Group (LLOY) 67.89p -1.35%Schroders (Non-Voting) (SDRC) 1,482.00p -1.33%