Software group Autonomy, which announced a license agreement with the European Commission, is one the best performers today.Traders said it is less to do with that bit of business, though, and more with rumours of a Microsoft takeover bid, though they added it is a story that has done the rounds before.Fallers include investment group 3i, which cut its investment in the five months to August by 75% to £155m, compared with £622m in the equivalent period last year. The group warned that private equity and mergers and acquisition markets remain subdued.Property groups are under pressure after Canary Wharf property owner Songbird offered 62bn shares at a penny each as part of a rescue plan that will enable it to reduce indebtedness, while increasing its stake in Canary Wharf Group. Land Securities, British Land, SEGRO and Hammerson are all under the cosh as the Songbird cash call followed one yesterday from Liberty International and investors will need to get the money from somewhere if they take up their entitlements.FTSE 100 - RisersOld Mutual (OML) 101.90p +4.35%Autonomy Corporation (AU.) 1,618.00p +3.52%Carnival (CCL) 2,203.00p +3.33%Man Group (EMG) 312.00p +2.77%Fresnillo (FRES) 797.50p +2.70%Vedanta Resources (VED) 2,009.00p +2.50%Imperial Tobacco Group (IMT) 1,823.00p +2.42%Randgold Resources (RRS) 4,540.00p +2.28%FTSE 100 - Fallers3i Group (III) 279.60p -2.92%Wolseley (WOS) 1,355.00p -2.52%British Land Co (BLND) 478.30p -2.39%Land Securities Group (LAND) 659.00p -2.37%Rexam (REX) 260.20p -2.36%British Airways (BAY) 225.00p -2.13%Hammerson (HMSO) 409.20p -1.99%SEGRO (SGRO) 373.40p -1.92%