Data search software firm Autonomy is topping the risers after it posted record earnings in the first quarter as it benefitted from the increasing popularity of cloud computing, a means of storing data remotely. Retail giant Next is wanted after UBS hiked up its forecasts on a better margin outlook. "Although early days, markdowns may be less than we expect and we assume that gross margins decline by 25bp less than before, giving -75bp for Retail and -50bp for Directory," said the broker, who kept its 'buy' rating.Miner Anglo American is seeing shares rise after saying that full year copper production is expected to be marginally higher than 2010 despite copper production falling by 14% in the first quarter.Sector peers ENRC, Rio Tinto and Fresnillo are also firmer.Edging higher is housebuilder Taylor Wimpey which said that the UK housing market remains resilient as it reported that trading is in line with expectations. Hedge fund manager Man Group is in the red despite seeing its target price lifted from 244p to 270p by RBS.---bcFTSE 100 - RisersAutonomy Corporation (AU.) 1,561.00p +3.51%TUI Travel (TT.) 238.70p +2.93%Eurasian Natural Resources Corp. (ENRC) 947.50p +2.65%John Wood Group (WG.) 695.00p +2.13%Rio Tinto (RIO) 4,453.50p +1.99%Fresnillo (FRES) 1,644.00p +1.99%Johnson Matthey (JMAT) 1,917.00p +1.91%Barclays (BARC) 300.00p +1.90%Weir Group (WEIR) 1,879.00p +1.79%Next (NXT) 2,232.00p +1.78%FTSE 100 - FallersVodafone Group (VOD) 171.30p -3.03%InterContinental Hotels Group (IHG) 1,270.00p -1.93%Whitbread (WTB) 1,680.00p -1.58%Carnival (CCL) 2,394.00p -1.56%United Utilities Group (UU.) 611.00p -1.53%Scottish & Southern Energy (SSE) 1,304.00p -1.36%International Power (IPR) 321.60p -1.35%International Consolidated Airlines Group SA (IAG) 220.80p -1.16%Serco Group (SRP) 557.00p -1.15%Kingfisher (KGF) 274.20p -1.12%