Investors have reacted favourably to Unilever's $3.7bn (£2.3bn) purchase of Alberto Culver, the owner of such brands as TRESemmé, Nexxus, VO5, St Ives and Simple. Barclays Capital has launched research into Autonomy with an overweight rating and has Sage at equalweight. Vedanta Resources is higher ahead of second quarter production figures that will be published on 7 October. AstraZeneca's prostate cancer treatment zibotentan showed little patient benefit in the first of three late stage trials. 3i Group has acquired Mizhuo Investment Management (UK) for £18.3m. Mizhuo has £3.7bn under management and specialises in funds raised to invest in corporate debt. FTSE 100 - RisersUnilever (ULVR) 1,839.00p +2.57%Kazakhmys (KAZ) 1,454.00p +2.32%Weir Group (WEIR) 1,399.00p +1.38%Autonomy Corporation (AU.) 1,794.00p +1.30%Antofagasta (ANTO) 1,195.00p +1.19%Sage Group (SGE) 261.00p +1.08%Invensys (ISYS) 296.80p +1.06%Vedanta Resources (VED) 2,304.00p +1.01%Resolution (RSL) 235.60p +0.99%Cairn Energy (CNE) 464.40p +0.98%FTSE 100 - FallersSmiths Group (SMIN) 1,203.00p -1.96%Inmarsat (ISAT) 693.50p -1.35%Old Mutual (OML) 138.00p -1.22%Centrica (CNA) 329.30p -1.20%Petrofac Ltd. (PFC) 1,395.00p -1.13%BT Group (BT.A) 141.60p -1.05%AstraZeneca (AZN) 3,300.50p -1.00%Standard Life (SL.) 229.60p -0.95%3i Group (III) 285.40p -0.90%Pearson (PSON) 984.00p -0.86%