Trading statements are driving the risers today with FT owner Pearson the best performer after its bullish half-year numbers and comments. Pearson said market conditions remain uncertain and growth is still expected to slow in the second half on tougher comparables, but it will achieve adjusted earnings of approximately 70p per share for the full year (65.4p in 2009), even after earnings impact from sale of Interactive Data.Tullow is also going well after it found a significant column of excellent quality light oil when drilling the Owo-1 exploration well in the Deepwater Tano licence offshore Ghana. Exploration director Angus McCoss said: "Owo-1 has made a very substantial light oil discovery and continues the success of Tullow's Equatorial Atlantic exploration campaign in West Africa." BP is also going well ahead of the likely departure of chief executive Tony Hayward. All indications are that it will be confirmed at a board meeting this evening even though the company says no final decision has been made.FTSE 100 - RisersPearson (PSON) 1,021.00p +4.93%Tullow Oil (TLW) 1,228.00p +4.16%BP (BP.) 414.20p +3.91%Barclays (BARC) 313.25p +3.73%Lloyds Banking Group (LLOY) 65.79p +3.57%Man Group (EMG) 223.50p +3.28%Royal Bank of Scotland Group (RBS) 46.73p +3.09%Investec (INVP) 509.50p +2.31%FTSE 100 - FallersARM Holdings (ARM) 342.50p -3.06%Fresnillo (FRES) 1,063.00p -2.57%African Barrick Gold (ABG) 559.50p -2.53%Randgold Resources (RRS) 5,900.00p -2.24%Smith & Nephew (SN.) 545.00p -1.98%BG Group (BG.) 1,064.00p -1.62%Cobham (COB) 243.70p -1.58%GlaxoSmithKline (GSK) 1,168.50p -1.56%