Banking giant Barclays is a rare bright spot in London after a better than expected third quarter update, as stocks head lower.Miners Vedanta Resources, BHP Billiton, Xstrata and Rio Tinto are the biggest fallers among the top-share index constituents, as metal prices head south.Barclays said its statutory profit before tax jumped to £2,422m from £327m the year before in the third quarter. Analysts had been expecting a figure of around £1.7bn. Adjusted profit before tax, which excludes exceptional items such as the impact of the bank's own credit and the impairment on its investment in Blackrock, rose to £1,337m in the three months to the end of September from £1,273m in the corresponding quarter of last year.BG Group, oil and gas company, has announced its plans for the succession of current chairman Sir Robert Wilson. He will be replaced by Andrew Gould, the current Chairman of the oil and gas services company Schlumberger.Capital Shopping Centres, the real estate investment trust, has seen no increase in footfall in the three months to the end of October compared to the equivalent period of 2010. Capital, which specialises in regional shopping centres has, however, seen occupancy remain at 97% and the "year to date" footfall numbers are up 2% on the equivalent period of 2010.Half year losses widened at sports retailer JJB Sports and revenue plunged nearly 23% as UK retail conditions deteriorated towards the end of its second quarter. The beleaguered retailer warned that full year expectations were likely to fall short of company expectations.HomeServe, the company which provides emergency repair services, is another stock under the cosh. It shed almost a third of its value in early trading after it said it is to suspend its telesales operation after an independent review found "processes that did not meet the company's required standards." FTSE 100 - RisersBarclays (BARC) 205.05p +1.91%International Power (IPR) 343.00p +0.79%Vodafone Group (VOD) 175.15p +0.49%United Utilities Group (UU.) 610.00p +0.41%National Grid (NG.) 625.00p +0.40%BT Group (BT.A) 188.50p +0.32%GlaxoSmithKline (GSK) 1,387.00p +0.22%FTSE 100 - FallersVedanta Resources (VED) 1,351.00p -3.77%BHP Billiton (BLT) 2,029.50p -3.45%Xstrata (XTA) 1,095.00p -3.31%Rio Tinto (RIO) 3,513.00p -2.96%ICAP (IAP) 420.00p -2.91%Aviva (AV.) 353.40p -2.64%Royal Bank of Scotland Group (RBS) 25.64p -2.47%Kazakhmys (KAZ) 992.00p -2.46%Burberry Group (BRBY) 1,374.00p -2.35%Lonmin (LMI) 1,139.00p -2.32%FTSE 250 - RisersPremier Foods (PFD) 4.35p +9.02%Drax Group (DRX) 559.00p +2.95%Pace (PIC) 84.00p +2.38%Salamander Energy (SMDR) 204.30p +2.15%FTSE 250 - FallersHomeserve (HSV) 337.70p -30.41%New World Resources A Shares (NWR) 547.00p -8.53%Supergroup (SGP) 595.50p -6.07%Mothercare (MTC) 170.20p -4.92%Daejan Holdings (DJAN) 2,732.00p -4.81%Halfords Group (HFD) 326.20p -4.00%