Mining companies are pushing upwards on hopes for economic recovery leading to higher demand for metals. Vedanta Resources, BHP Billiton and Rio Tinto have all made gains. British Sky Broadcasting and Prudential have both gone ex-dividend. BSkyB has fallen by a similar amount to its 8.74p interim dividend. The Prudential share price has not declined as much as its 17.24p a share dividend would suggest. Retailers M&S and Next have both fallen on the back of a profit warning from Dixons Retail. FTSE 100 - RisersVedanta Resources (VED) 2,362.00p +5.54%Centrica (CNA) 333.80p +3.47%IMI (IMI) 1,041.00p +2.97%BHP Billiton (BLT) 2,479.00p +2.67%Burberry Group (BRBY) 1,191.00p +2.50%WPP (WPP) 784.00p +1.95%Weir Group (WEIR) 1,735.00p +1.88%Capital Shopping Centres Group (CSCG) 388.70p +1.81%InterContinental Hotels Group (IHG) 1,301.00p +1.80%Rio Tinto (RIO) 4,444.00p +1.79%FTSE 100 - FallersMarks & Spencer Group (MKS) 342.20p -2.59%Next (NXT) 2,027.00p -1.84%International Power (IPR) 314.10p -1.38%Prudential (PRU) 722.50p -1.10%British Sky Broadcasting Group (BSY) 828.00p -1.08%Invensys (ISYS) 351.30p -1.01%Royal Bank of Scotland Group (RBS) 41.55p -0.79%Reckitt Benckiser Group (RB.) 3,164.00p -0.78%Vodafone Group (VOD) 179.65p -0.75%BAE Systems (BA.) 329.20p -0.75%