It was another bad day for gearbox designer Torotrak, down 7% after Wednesday's results and on growing fears about the motor industry.Yesterday the group said it had narrowed full-year losses to £1.9m from £2.3m last time and increased turnover to £4.6m from £3.6m.But satnav group Trafficmaster improved again, up 5%, just a week after reporting a solid start to 2009.FTSE TechMARK - RisersPuricore (PURI) 13.50p +14.89%KCOM Group (KCOM) 28.00p +7.69%Trafficmaster (TFC) 31.50p +5.00%Anite Group (AIE) 33.50p +4.69%Intec Telecom (ITL) 68.50p +3.79%Optos (OPTS) 55.50p +3.74%Emblaze (BLZ) 35.25p +3.68%Ark Therapeutics (AKT) 51.75p +3.50%Phoenix IT Group (PNX) 158.25p +3.43%Kofax (KFX) 125.00p +3.31%FTSE TechMARK - FallersTorotrak (TRK) 29.25p -7.14%Elan Corporation (ELA) € 4.84 -3.01%Wolfson Microelectronics (WLF) 111.00p -2.63%Oxford Biomedica (OXB) 10.00p -2.44%BATM Advanced (BVC) 31.00p -2.36%Kewill (KWL) 62.00p -2.36%Renovo Group (RNVO) 29.00p -1.69%Skyepharma (SKP) 175.00p -1.69%Ricardo Group (RCDO) 200.00p -1.48%Oxford Instruments (OXIG) 136.00p -1.45%