Building and plumbing supplies giant Wolseley has bounced back. It has returned to profit and reinstated its dividend as its core markets in Europe and the US both stabilised.Rio Tinto's bid for Riversdale has been declared unconditional.BP is under pressure after major shareholder Standard Life told it to walk away from its troubled deal with Russian state oil company Rosneft.FTSE 100 - RisersBritish American Tobacco (BATS) 2,461.00p +2.22%Wolseley (WOS) 2,133.00p +2.11%Vedanta Resources (VED) 2,219.00p +1.98%Next (NXT) 2,060.00p +1.78%Compass Group (CPG) 562.50p +1.72%BHP Billiton (BLT) 2,401.50p +1.61%Lonmin (LMI) 1,685.00p +1.57%InterContinental Hotels Group (IHG) 1,243.00p +1.14%Rio Tinto (RIO) 4,325.00p +1.08%Tullow Oil (TLW) 1,432.00p +1.06%FTSE 100 - FallersBP (BP.) 466.30p -2.26%Serco Group (SRP) 560.00p -1.41%Amec (AMEC) 1,161.00p -1.28%ARM Holdings (ARM) 551.50p -1.25%Resolution Ltd. (RSL) 286.30p -1.24%Hargreaves Lansdown (HL.) 606.00p -1.22%Antofagasta (ANTO) 1,388.00p -1.21%Barclays (BARC) 288.90p -1.20%Admiral Group (ADM) 1,562.00p -1.20%Petrofac Ltd. (PFC) 1,410.00p -1.19%