Two stocks stand out in the FTSE 100. Fashion and food retailer Marks and Spencer has fallen after reporting strong Christmas trading while sounding caution on 2010 prospects. But data search and interpretative software specialist Autonomy is the top riser after saying it expects to report 2009 results in line with analyst consensus estimates of revenues of about $740m and fully diluted EPS (adjusted) of $0.97. Elsewhere in retail, supermarket Tesco is lower ahead of rival J Sainsbury's third quarter trading update tomorrow and Argos and Homebase owner Home Retail Group is also in the bottom 10.But miners are going well, with Xstrata, Kazakhmys, Rio Tinto, Vedanta and Randgold Resources among the top risers.FTSE 100 - RisersAutonomy Corporation (AU.) 1,545.00p +5.10%Wolseley (WOS) 1,356.00p +4.31%Xstrata (XTA) 1,230.00p +3.54%Kazakhmys (KAZ) 1,444.00p +3.36%Rio Tinto (RIO) 3,655.50p +3.19%RSA Insurance Group (RSA) 126.00p +2.86%Vedanta Resources (VED) 2,828.00p +2.69%Royal Bank of Scotland Group (RBS) 36.35p +2.68%Rolls-Royce Group (RR.) 504.50p +2.54%Randgold Resources (RRS) 5,300.00p +2.42%FTSE 100 - FallersMarks & Spencer Group (MKS) 380.50p -6.03%SEGRO (SGRO) 342.10p -2.78%British Land Co (BLND) 458.50p -2.45%Petrofac Ltd (PFC) 1,008.00p -2.23%Tesco (TSCO) 411.45p -2.14%Admiral Group (ADM) 1,159.00p -2.03%Schroders (SDR) 1,314.00p -1.94%Home Retail Group (HOME) 284.30p -1.93%Schroders NV (SDRC) 1,059.00p -1.76%National Grid (NG.) 670.50p -1.69%