Just five stocks were making gains at 8.35am on Wednesday, as the blue chip index opened below the 5,300 level.The miners were among the worst performers, with Kazakhmys, Vedanta and Rio Tinto among the heaviest fallers, partially offsetting the gains made yesterday.FTSE 100 mining giants Anglo American, BHP Billiton and Xstrata fell despite announcing that a coal mine in Colombia, in which they own a 33.3% interest each, has received approval for its $1.3bn expansion project.Banking titans Royal Bank of Scotland, HSBC and Barclays were also out of favour, extending losses made yesterday. Suggestions that European leaders could resurrect the idea of a financial transaction tax sent shares of financials into a spin on Wednesday.International Power, the power generator that is 70% owned by French utility company GDF Suez, fell after announcing that it is to expand the Jirau Hydro project, the largest hydro power project currently under construction in the world. Cinema group Cineworld opened higher despite profits fall over 40% in the first half. However, the group posted sales that beat internal expectations as its confirmed its positive outlook for the second half.BCFTSE 100 - RisersPetrofac Ltd. (PFC) 1,190.00p +1.71%Resolution Ltd. (RSL) 276.20p +1.69%Eurasian Natural Resources Corp. (ENRC) 656.00p +0.15%Associated British Foods (ABF) 1,039.00p +0.10%Royal Dutch Shell 'B' (RDSB) 1,992.50p +0.03%FTSE 100 - FallersKazakhmys (KAZ) 1,017.00p -2.59%Vedanta Resources (VED) 1,370.00p -2.28%Royal Bank of Scotland Group (RBS) 24.23p -2.10%HSBC Holdings (HSBA) 530.70p -2.08%Rio Tinto (RIO) 3,662.50p -2.05%Xstrata (XTA) 1,060.00p -2.03%Anglo American (AAL) 2,421.50p -2.00%BHP Billiton (BLT) 1,982.00p -1.98%Barclays (BARC) 170.70p -1.87%Fresnillo (FRES) 1,930.00p -1.83%FTSE 250 - RisersPerform Group (PER) 166.40p +4.00%Premier Foods (PFD) 15.70p +3.15%Exillon Energy (EXI) 349.80p +2.28%St. Modwen Properties (SMP) 145.50p +1.75%Kofax (KFX) 325.20p +1.47%Anglo Pacific Group (APF) 297.00p +1.37%Britvic (BVIC) 324.20p +1.31%London & Stamford Property Ltd. (LSP) 123.50p +1.15%Devro (DVO) 263.20p +1.15%JKX Oil & Gas (JKX) 204.20p +1.09%FTSE 250 - FallersAquarius Platinum Ltd. (AQP) 249.80p -3.85%Redrow (RDW) 117.30p -3.77%Filtrona PLC (FLTR) 323.60p -3.32%Senior (SNR) 155.90p -3.05%Home Retail Group (HOME) 129.20p -3.00%Imagination Technologies Group (IMG) 324.40p -2.67%Regus (RGU) 77.75p -2.57%ITE Group (ITE) 179.20p -2.56%Electrocomponents (ECM) 196.10p -2.44%AG Barr (BAG) 1,203.00p -2.35%