Tostran testosterone gel maker ProStrakan trimmed half year losses, posted a 40% increase in revenue and is confident it will break even by the end of 2009. For the six months ended 30 June 2009 pre-tax loss reduced to £9.4m from a loss of £11.8m the same time a year earlier. Revenue rose to £37.0m. Commenting on the results chief executive Wilson Totten said, "The continued progress that we are reporting today reinforces our confidence in achieving break-even by the end of 2009."Electronics group Filtronic has named Mike Brennan as its new finance chief to take over from Stephen Mole on 1 September Brennan, 49, was previously finance director of AIM-listed renewable fuels company GTL Resources.FTSE TechMARK - RisersMorse (MOR) 30.00p +15.38%Total Systems (TTS) 26.50p +12.77%Vislink (VLK) 30.50p +5.17%Dialight (DIA) 168.00p +4.67%Wolfson Microelectronics (WLF) 131.75p +4.15%Axis-Shield (ASD) 340.00p +3.66%Oxford Instruments (OXIG) 170.00p +3.03%Emblaze (BLZ) 37.00p +2.78%Gresham Computing (GHT) 42.50p +2.41%Phoenix IT Group (PNX) 222.25p +2.30%FTSE TechMARK - FallersRenovo Group (RNVO) 31.00p -6.06%Innovation Group (TIG) 10.50p -4.55%Parity Group (PTY) 17.00p -4.23%Puricore (PURI) 17.75p -4.05%Filtronic (FTC) 33.00p -3.65%Intec Telecom (ITL) 84.00p -2.89%Corin Group (CRG) 59.00p -2.48%Biocompatibles International (BII) 170.00p -2.30%Sepura (SEPU) 44.00p -2.22%Kewill (KWL) 90.00p -1.37%