Pearson, the Financial Times and education publisher, rose strongly after guiding to higher profits in 2015 as it maintained its forecast for results last year. Adjusted earnings per share should rise to 75p-80p this year, compared with an estimated 66p in 2014. Vodafone was also among the risers after announcing the launch of its Huawei Wi-Fi cube as a 4G alternative to fixed line broadband. The device will connect to up to 32 devices (the average UK home has 8 connected devices) and will allow users to connect anywhere with a mobile signal. Vodafone also announced plans to create a further 40 4G hotspots in the UK, alongside boosted mobile signal coverage in rural areas.After an earlier dip into the red, BHP Billiton rose after maintaining its full-year production guidance following a 9% increase in output in the first half, helped by record volumes across eight operations and five commodity classes.Sports Direct was a heavy faller after it was revealed that founder Mike Ashley had sold £117-worth of shares in the sports retailer equal to a 2.6% stake.Dixons Carphone settled at a slight fall after soaring early Wednesday morning on news the company was raising profit guidance on the back of strong Christmas trading. Like-for-like sales increased 7% for the nine weeks ended 3 January as the group took further market share across electricals and mobile in the UK and Ireland, the Nordics and Greece. RisersBG Group (BG.) 891.30p +4.95%Pearson (PSON) 1,290.00p +4.37%Tullow Oil (TLW) 384.80p +4.00%Vodafone Group (VOD) 238.45p +3.67%Aberdeen Asset Management (ADN) 426.00p +3.35%BP (BP.) 424.80p +3.06%ARM Holdings (ARM) 1,057.00p +2.82%Barratt Developments (BDEV) 438.60p +2.64%BHP Billiton (BLT) 1,428.50p +2.59%Royal Dutch Shell 'A' (RDSA) 2,170.00p +2.50%FallersSports Direct International (SPD) 719.50p -5.39%Intertek Group (ITRK) 2,290.00p -3.98%Associated British Foods (ABF) 2,992.00p -1.90%Babcock International Group (BAB) 1,015.00p -1.26%Randgold Resources Ltd. (RRS) 5,490.00p -1.26%easyJet (EZJ) 1,639.00p -0.91%Experian (EXPN) 1,161.00p -0.68%Severn Trent (SVT) 2,124.00p -0.65%Glencore (GLEN) 256.15p -0.51%Dixons Carphone (DC.) 440.10p -0.47%