The mining sector is one of the worst performing sectors driven lower by silver and gold miner Hochschild Mining.The firm said that production at its 51%-owned San Jose silver and gold mine in Argentina has stopped due to a strike. The Argentine Mining Labour Association initiated the action due to a dispute over pay increases for contract workers.Blue chip peer BHP Billiton is unwanted after UBS cut its target price on the back of marginal earnings downgrades.Meanwhile, Burberry is among the high risers in the personal goods sector.The group was given a boost last week after it said that profits for the financial year to 31 March are expected to be at the top end of expectations after a strong performance in the final few months.On Wednesday UBS upgraded its numbers on Burberry after a bullish conference call with management that suggested another strong year ahead. ---bcTop performing sectors so far todayPersonal Goods 21,466.14 +2.08%Mobile Telecommunications 3,941.77 +2.07%Automobiles & Parts 5,022.17 +1.66%Food & Drug Retailers 4,723.00 +1.51%Fixed Line Telecommunications 2,348.87 +1.39%Bottom performing sectors so far todayHousehold Goods & Home Construction 6,323.53 -1.03%Mining 26,959.25 -0.75%Oil Equipment, Services & Distribution 25,934.86 -0.63%Banks 4,748.63 -0.58%General Retailers 1,717.97 -0.47%