CCTV supplier Quadnetics said as anticipated trading in the second half year was substantially stronger than the first half.The group said underlying results for the full year will be in line with current market expectations. Year end cash balances were ahead of expectations.Innovation Group, which provides software for insurance companies, said it has signed a €1m a year deal to provide accident management services for a German insurance company that has more than 10% of the country's market.The deal has the potential to rise to €3m a year, Innovation, which did not name the company said.Nanotechnology firm Oxonica has slumped after confirming its intention to delist its shares on 4 August.It's concerned about its valuation, just over £3m, the small free float, the limited trading volumes in its shares, and £150,000 annual cost of complying with AIM rules.Silverdell has done itself a favour after the asbestos removal group paid back another £1.25m of its banking facilities with Barclays.It's already paid off a short term facility of £3.25m from proceeds of an equity placing and now has £6.7m outstanding in aggregate and an overdraft of up to £2m. Door and window maker Heywood Williams said sales in the first half are expected to be down 24% compared to the same period in 2008 due to major declines in residential housing markets.Headcount has been reduced by a further 17% since the end of 2008, which is in addition to the 22% reduction made in 2008."Looking forward, the board expects the UK/European businesses to continue to perform in line with expectations for the full year. The board now expects market conditions in North America to reduce expectations at LaSalle Bristol and modestly for the group as a whole," said the group.Personnel software and services firm OneClickHR expects total revenues to be ahead of the comparative period in 2008 and said it continues to be cash generative and debt free.Pensions consultant Mattioli Woods said it has achieved strong turnover growth and is trading in line with market expectations for the year. The group said it expects to see stronger organic growth over the next 12 months and building capacity remains a high priority.Alternative fuels developer ITM Power has launched a zero carbon domestic energy system to provide heating, lighting, and electric power plus the storage needed to allow this to operate from renewable resources. Additionally, the group has agreed to participate in the building of a housing development in South Shields that seeks to demonstrate that affordable housing can be made a net producer, rather than consumer, of energy. Oil explorer Matra Petroleum raised £5.35m via a placing, which will be used to drill Well-13, the up-dip appraisal well to the Sokolovskoe discovery well on the Arkhangelovskoe License in Russia. Funds will also be used for working capital, overheads and the costs of the placing.