On a somewhat sluggish day for the FTSE 100, defensively oriented stocks are in demand. Drug group GlaxoSmithKline and tobacco firm Imperial are in demand.Shares in Autonomy fell after climbing yesterday when the data search technology giant said it expects second quarter earning to beat consensus estimates.With metals prices on the slide, shares in miners Vedanta and Xstrata are unwanted, but BHP Billiton bucks the trend to sit among the top 10 risers after being upgraded to 'buy' from 'hold' by Investec on valuation grounds.FTSE 100 - RisersRSA Insurance Group (RSA) 118.00p +1.99%GlaxoSmithKline (GSK) 1,085.50p +1.50%Balfour Beatty (BBY) 300.50p +1.43%BHP Billiton (BLT) 1,317.50p +1.35%Next (NXT) 1,538.00p +1.32%BAE Systems (BA.) 334.00p +0.98%Cobham (COB) 178.70p +0.96%Vodafone Group (VOD) 115.50p +0.92%Imperial Tobacco Group (IMT) 1,602.00p +0.88%Morrison (Wm) Supermarkets (MRW) 244.75p +0.72%FTSE 100 - FallersLegal & General Group (LGEN) 51.66p -5.21%Aviva (AV.) 315.25p -4.76%Fresnillo (FRES) 441.25p -4.75%British Land Co (BLND) 361.75p -4.30%Autonomy Corporation (AU.) 1,384.00p -3.49%Vedanta Resources (VED) 1,283.00p -2.95%Land Securities Group (LAND) 426.00p -2.91%Xstrata (XTA) 593.00p -2.79%Prudential (PRU) 384.25p -2.72%Eurasian Natural Resources (ENRC) 641.00p -2.44%