Bluetooth chip developer CSR is heading the TechMARK risers after it settled a patent infringement case with rival Broadcom. The shares rose strongly even though CSR has to pay $67.5m. CSR will pay an initial sum of $5m plus $12.5m for the next five years. Legal costs of $10m a year will be saved by the settlement. IT services provider Computacenter says that its 2010 profit will be towards the top end of expectations. The full year figures will be published on 1o March. Medical devices firm Smith & Nephew has been hit by profit-taking after yesterday's rise on the back of bid rumours. FTSE TechMARK - RisersCSR (CSR) 410.00p +15.17%Filtronic (FTC) 45.00p +10.43%ARM Holdings (ARM) 498.40p +7.18%Computacenter (CCC) 412.60p +7.17%Axis-Shield (ASD) 284.00p +5.19%Kofax (KFX) 325.00p +4.59%Renovo Group (RNVO) 65.00p +4.42%Oxford Instruments (OXIG) 730.00p +4.06%BATM Advanced Communications Ltd. (BVC) 23.00p +3.37%Innovation Group (TIG) 15.50p +3.33%FTSE TechMARK - FallersSmith & Nephew (SN.) 678.00p -4.78%ProStrakan Group (PSK) 110.00p -4.56%Torotrak (TRK) 22.25p -4.30%Antisoma (ASM) 6.00p -3.23%Asterand (ATD) 16.25p -2.99%Wolfson Microelectronics (WLF) 289.00p -2.61%Vernalis (VER) 44.00p -2.22%Sepura (SEPU) 41.00p -1.80%Alterian (ALN) 202.00p -1.46%GlaxoSmithKline (GSK) 1,223.00p -0.89%