Kazakhmys, Antofagasta, BHP Billiton, Vedanta and Xstrata are the best of a generally buoyant mining sector, which had been weak recently as the dollar has rallied against the euro.The best performing blue-chip is knee and hip joint supplier Smith & Nephew after UBS bumped up its price target for the stock.Having been hit hard yesterday following the Basel Committee report, banks are on the back foot again today. Barclays, Royal Bank of Scotland and Lloyds all fall back, with Lloyds sliding despite JPMorgan Chase bumping its price target for the stock by 10% and Exane BNP Paribas upgrading the shares from 'neutral' to 'outperform'.FTSE 100 - RisersSmith & Nephew (SN.) 628.50p +2.44%Kazakhmys (KAZ) 1,272.00p +2.17%Antofagasta (ANTO) 920.00p +1.66%Liberty International (LII) 488.10p +1.58%Vedanta Resources (VED) 2,416.00p +1.47%BHP Billiton (BLT) 1,889.00p +1.40%Scottish & Southern Energy (SSE) 1,127.00p +1.35%Petrofac Ltd (PFC) 975.00p +1.30%FTSE 100 - FallersLloyds Banking Group (LLOY) 49.11p -3.89%Carnival (CCL) 2,089.00p -3.42%Barclays (BARC) 266.85p -2.56%Royal Bank of Scotland Group (RBS) 30.00p -2.41%TUI Travel (TT.) 250.40p -2.19%Wolseley (WOS) 1,189.00p -1.98%Prudential (PRU) 600.50p -1.72%Fresnillo (FRES) 791.50p -1.68%