First-quarter like-for-like (LFL) sales took a tumble at High Street giant Marks and Spencer, though the food business held up well, and full-year guidance remains unchanged, prompting shares to rise. BAE Systems is moving higher on the back of positive comments out of UBS.Mining heavyweights were on the rise after the release of the UK manufacturing data: Vedanta, Xstrata, Glencore and Evraz were registering decent gains through the day. Utilities group SSE also edged higher after Investec upgraded its rating on the stock from 'hold' to 'buy' and raised its target price from 1,226p to 1,479p to "reflect our increased confidence that SSE will now deliver significant value from its capital investment." Meanwhile, catering giant Compass was lower after sector peer Sodexo saw growth slow in the third quarter. GlaxoSmithKline is the second biggest percentage faller after UBS downgraded the company's profit estimates and cut its price target on the company´s shares.FTSE 100 - RisersBAE Systems (BA.) 306.20p +3.13%Prudential (PRU) 751.00p +2.95%Amec (AMEC) 1,049.00p +2.84%Marks & Spencer Group (MKS) 330.00p +2.80%GKN (GKN) 214.30p +2.68%Vedanta Resources (VED) 921.00p +2.62%Experian (EXPN) 979.00p +2.41%Kingfisher (KGF) 274.90p +2.31%Burberry Group (BRBY) 1,284.00p +2.31%Rexam (REX) 436.40p +2.23%FTSE 100 - FallersCompass Group (CPG) 654.50p -2.24%GlaxoSmithKline (GSK) 1,464.00p -2.14%ARM Holdings (ARM) 489.30p -1.33%Antofagasta (ANTO) 1,083.00p -1.10%Hammerson (HMSO) 447.40p -0.38%BG Group (BG.) 1,305.00p -0.19%G4S (GFS) 288.30p -0.17%Schroders (SDR) 1,313.00p -0.15%Fresnillo (FRES) 1,472.00p -0.14%AstraZeneca (AZN) 2,917.50p -0.07%NR