Financials are among the worst performers of the day, helping to drag the FTSE 100 below the 5,700 level. Hedge fund manager Man Group is the heaviest fallers, losing nearly 4% as of 14:40 on Monday afternoon.RBS and Barclays are trading 1.7% and 1.2% lower, respectively.The mining sector has been given a boost by HSBC. Vedanta Resources is being helped higher after HSBC upgraded the miner to overweight, from neutral.The brokerage is also providing a slight lift to Antofagasta's share price, after raising the target price by 100p from 5,500p to 5,600p. An overweight rating is maintained.Anglo American is also trading higher after HSBC raised its rating on the stock from neutral to overweight.Pharmaceuticals giant AstraZeneca is under the weather despite hailing the test results of its jointly-developed dapagliflozin drug with Bristol-Myers Squibb.Brewing giant SABMiller is a high riser after announcing that Domenic De Lorenzo, who is responsible for mergers and acquisitions, corporate strategy and development, will join its Group Executive Committee, effective 1 July. BCFTSE 100 - RisersBG Group (BG.) 1,300.50p +2.00%SABMiller (SAB) 2,126.00p +1.43%Standard Chartered (STAN) 1,535.50p +1.09%Vedanta Resources (VED) 1,867.00p +1.03%Shire Plc (SHP) 1,892.00p +1.01%InterContinental Hotels Group (IHG) 1,224.00p +0.99%British American Tobacco (BATS) 2,675.00p +0.91%British Land Co (BLND) 576.50p +0.79%Diageo (DGE) 1,270.00p +0.79%GKN (GKN) 214.90p +0.70%FTSE 100 - FallersMan Group (EMG) 226.00p -3.99%Inmarsat (ISAT) 540.50p -2.17%Royal Bank of Scotland Group (RBS) 35.05p -1.68%Aviva (AV.) 415.60p -1.66%ARM Holdings (ARM) 578.50p -1.62%AstraZeneca (AZN) 3,012.00p -1.54%Johnson Matthey (JMAT) 1,880.00p -1.52%Weir Group (WEIR) 2,026.00p -1.32%Barclays (BARC) 234.35p -1.24%Petrofac Ltd. (PFC) 1,496.00p -1.19%