Dairy group Robert Wiseman is one of the stocks keeping the food producers sector in the red, despite a relatively upbeat annual meeting statement.Volumes in the first three months of the new financial year are satisfactory and around 8.5% ahead of the same period last year courtesy of new contract wins, the firm said.Associated British Foods is also in the red, after seeing lower growth. The group, which produces Silver Spoon sugar and operates an agriculture division as well as the clothes retailer Primark, saw revenue rise 19%. But growth slowed in the third quarter, with revenues rising just 15% in the 16 weeks to 20 June 2009.Mining stocks are going well as commodity prices rally. Among larger companies, gold miner Hochschild is going well as prices for the yellow metal rebound from a two-month low. Industrial metals are also strong, helping the likes of Vedanta and Xstrata.Top performing sectors so far todayMining 13,110.27 +3.07%General Retailers 1,409.94 +2.17%Industrial Metals 3,674.72 +2.13%Electronic & Electrical Equipment 1,190.11 +1.76%General Industrials 1,594.30 +1.73%Bottom performing sectors so far todayHealth Care Equipment & Services 2,461.63 -1.39%Mobile Telecommunications 2,622.73 -1.24%Personal Goods 7,510.90 -1.03%Food Producers & Processors 3,584.59 -0.61%Beverages 6,162.88 -0.52%