Chief executive Tim Hair is stepping down from foundries operator Chamberlin.
AIM adviser XCAP Securities has appointed Guy Peters as head of corporate.
Alexander David Securities Group is selling the eponymous broking operations to its management and turning itself into a shell.
Natural pesticides developer Eden Research says that the EU has approved the three main active ingredients in its main product.
Increased sales of LED lighting products has boosted revenues at Advanced Power Components (APC) but the profit benefits are only starting to show through.
London-based residential property agency M Winkworth has signed a master franchise agreement for India.
New products will help to accelerate the growth of tracking and security products developer Starcom.
Symphony Environmental Technologies says that revenues in the first four months of 2013 are already higher than the £2.12m reported for the first half of 2012.
Clients of Charles Stanley have invested £709,000 in advanced materials technology developer Ilika at a 15% premium to the previous day’s closing price.
Construction software and building products group Eleco reported an ncreased loss in 2012.
African Eagle Resources says that it has been unable to secure financing to develop its Dutwa nickel laterite project in Tanzania.
Quindell Portfolio is out of the size range for Aim Micro but its problems are a good case study for all quoted companies and it is probably even more important for smaller companies.
Turnaround specialist Volvere is acquiring certain assets of transport planning and engineering consultancy JMP Consultants.
Fluorspar explorer Tertiary Minerals still had £792,000 in the bank at the end of March 2013.
Lombard Risk Management managed to achieve expectations even though the European Banking Authority delayed new regulatory reporting requirements.
Warehouse data systems services provider Belgravium Technologies is buying Feedback Data from Feedback Group, which will become a shell.
Australian gold miner Bullabulling Gold says that its initial definitive feasibility study pit optimisation figures show indicative cash costs one-fifth lower than the previous estimate.
Renewable energy projects developer Kedco has achieved its 2013 minimum target of doubling the size of its development portfolio to 140MW.
Information publisher and TV programme producer Ten Alps is selling a business that it inherited when it reversed into Osprey Communications in 2001.
Innovation software and consultancy provider Imaginatik has gained shareholder approval for the placing raising £1.26m at 0.0625p a share.
Internet telephony services provider Coms has substantially reduced its loss in the first quarter of the current financial year.
Surveillance technology developer Datong has agreed a 50p a share cash bid from Seven Technologies.
Trading in the shares in Silvermere Energy has been suspended because it has not been able to secure additional finance.
Property and infrastructure services provider Sweet Group has fought off the attempts of a former director to return to the board.
Porta Communications reported revenues of £8.38m in its first full year in its current form and a strengthened balance sheet means that the company has a solid base from which to grow further.
International Mining and Infrastructure Corporation says that it has arranged $100m of financing for its proposed offer for Afferro Mining Inc.
Talent management and learning software provider NetDimensions (Holdings) Ltd is raising £4.09m at 38p a share.
Risk management software provider Active Risk Group successfully returned to profit in the second half of the year to March 2013.
Stephen Phipson has stepped down as chief executive of electronic products and displays manufacturer Stadium Group.
Uncertainty over revenue recognition meant that portable modular hotel rooms supplier Snoozebox reported lower than expected revenues for its first full year as a company.
Shares in investment company All Asia Asset Capital Ltd got off to a strong start on their first day on Aim.
Peter Gyllenhammar has been adding shares to his holding in composting and anaerobic digestion plants supplier and operator TEG Group since the 2012 figures were published in the middle of March.
Peter Richardson has stepped down as chief executive of energy products developer and supplier Energetix Group after fewer than eight months in the job.
Enterprise software provider Sanderson Group says that interim revenues will improve from £6.14m to £6.4m.
Voice and data telecoms services provider AdEPT Telecom will pay a trebled dividend for 2012.
Fidelity has sold its 8% stake in Indian shopping centres developer West Pioneer Properties Ltd following the general meeting that agreed to the company leaving Aim.
Talent management and learning software provider NetDimensions (Holdings) Ltd has reported a decline in profit in 2012 due to increased investment in sales and marketing.
Changes in US distribution arrangements and a lack of licence income held back 2012 revenue growth at patient monitoring devices developer LiDCO Group.
Training and simulation services provider SimiGon Ltd is successfully diversifying its revenues and made its first significant sales in the oil and gas sector.
Recruitment and executive search software provider Dillistone Group had a tough year in 2012 but the positive outlook is indicated by the first increase in the dividend since 2008.
Security services provider Croma Security Solutions Group says that revenues will be slightly lower than expected in the year to June 2013 and profit will be much lower due to additional investment.
Internet telephony services provider Coms has secured a contract that will generate more revenues than the company has reported in the whole of its history.
Castings supplier Chamberlin says that it will meet profit expectations of £1.3m for 2012-13.
A disappointing performance from the Sunline direct mail business hit the 2012 profit of CEPS.
Astar Minerals has completed the sale of its Canadian quarry operations for a nominal sum and become a shell.
Ascent Resources has sold its 48.66% interest in PetroHungaria for €450,000 in cash.
Bioplastics and RF products supplier Biome Technologies says that revenues will be second half weighted.
Energy efficiency products and electronic components supplier Advanced Power Components has won new contracts with a retailer and a transport infrastructure company.
Gold recovery and exploration company Goldplat has sold a 11% stake in its core South African gold recovery business for £2.1m.
Electric scooter supplier Vmoto Ltd has signed a joint venture agreement with Riba in Brazil.
Facades and roof systems supplier Hightex Group has reduced its loss following a strong second half.
Cyprus-registered DekelOil says that construction of the crude palm oil extraction mill in Côte d’Ivoire has commenced and it should be completed by the end of 2013.
Sorbic acid and potassium sorbate producer Sorbic International has agreed around £5m of compensation from the Chinese authorities for moving its Inner Mongolian plant due to the re-zoning of land.
One Delta has gained shareholder approval to complete the restructuring of the ownership of the eponymous recycled plastic products supplier and turning itself back into a shell.
Materials technology developer Ilika has some good news for a change.
Trading continues to improve at property and infrastructure services provider Sweett Group and the order book is 12% higher, year-on-year.
Coal explorer Edenville Energy has started the scoping study at the Namwele coal deposit in the Rukwa coalfield in Tanzania.
Ireland-focused zinc explorer Connemara Mining Company has raised £315,000 at 5p a share in order to finance further exploration.
Africa-focused explorer Ferrex intends to start drilling at the Mebaga iron ore project in northern Gabon.
Smart meters installer Bglobal admits that it will make a loss in the year to March 2013 and smart meter installations continue to be delayed.
Gold and copper explorer Bezant Resources has delayed its 8p a share distribution because the general meeting that voted it through was inquorate.
Peter Gyllenhammar has sold a further 1m shares in 21st Century Technology.
Bermuda National has taken its stake in finance provider Private & Commercial Finance Group to 29.4%.
Surgical instruments manufacturer Surgical Innovations found 2012 tough and its profit slipped but in 2013 the company should start to move forward again thanks to its investment in product development.
One Media IP Group has switched from ISDX to Aim.
Shares in computerised neuropsychological tests developer Cambridge Cognition Holdings went to a 14% premium at the end of the first day’s trading.
Care home properties investor Public Service Properties Investments has reported a near-halved NAV but the shares are still trading at a 53% discount to that NAV.
The fall in the gold price came at a bad time for Bullabulling Gold and barely more than one-quarter of the shares in its open offer.
Machine tools and laser marking equipment supplier 600 Group is on course to return to profit in the year to March 2013 as the rate of revenue growth has increased.
Oil and gas explorer Edge Resources Inc says that the first vertical well on its Asset East property has reached a production rate of more than 90 barrels of oil per day.
Aim adviser VSA Capital Group has gained shareholder approval for leaving Aim, although this was only just achieved.
Materials technology developer Ilika says that delays with three contracts will lead to a 45% decline in revenues in the year to April 2013.
China Africa Resources has announced a maiden JORC resource for the Berg Aukas zinc/lead project in Northern Namibia.
Green Compliance says that trading has picked up in the first few months of the year and it has secured its new banking facility.
Innovation software and consultancy provider Imaginatik has decided to stay on Aim.
Silver explorer Black Mountain Resources Ltd is at the final stages of completing debt/offtake financing arrangements for production from the New Departure silver project in Montana.
Injection moulded plastic media and food packaging supplier Coral Products says that weak trading has continued and its figures for the year to April 2013 will be well below expectations.
Oilfield services provider Thalassa Holdings Ltd has raised £5.4m from a placing at 120p a share with institutional investors.
Oil and gas explorer Ascent Resources is raising £5.5m and giving existing shareholders the chance to contribute through an open offer.
Speymill says that it will have to make a £3.69m write-down on the value of its German properties and it is reviewing new business opportunities.
Recruitment services provider Work Group has written down its goodwill by £7.9m and is considering selling all or part of its business.
Cambridge Cognition will join Aim on 18 April following a £5m placing at 70p a share.
IT security services provider Accumuli says that it will be declaring a maiden dividend with its full year results.
Noventa Ltd has come to an agreement with its lenders and it will become a shell.
Peter Gyllenhammar continues to increase his stake in composting and anaerobic digestion plants supplier and operator TEG Group and he has taken it to 10.9%.
Akers Diagnostics Inc has received an order for 1.4m CHUBE-branded disposable breath alcohol detectors from its distributor Chubeworkx Guernsey for the French market.
A strong interim performance by geological information and services provider GETECH Group has led to house broker WH Ireland upgrading its full year profit forecast.
Shares in construction consultancy Driver Group rose 13% to 92.5p a share on the back of another positive trading statement.
Engineer Tricorn Group is on course to report a profit of £1.4m in the year to March 2013.
Marina and ports operator and property developer Sutton Harbour Holdings says that last year’s trading was in line with expectations but house broker Arden has cut its profit forecast for the year to March 2014.
More board changes at personal care and household products supplier Swallowfield with Stephen Boyd stepping down as chairman 16 months after his appointment.
Horticultural products supplier William Sinclair says poor weather has hit demand for its products but it believes there is significant pent up demand.
Anna Obolenskaya has left Cluff Natural Resources just over 11 weeks after joining the board as finance director.
Shares in new shell Healthcare Investment Opportunities ended the first day’s trading at a 12.5% premium.
AIS marine positional technology developer Software Radio Technology says that it made a pre-amortisation profit of £1.5m in the year to March 2013.
Dual-Fuel engine management technology developer Clean Air Power Ltd more than doubled the revenues from its Dual-Fuel technology.
Powder Impression Moulding (PIM) technology rights owner Environmental Recycling Technologies (ERT) is raising up to £1m via a two-for-19 open offer at 1.25p a share.
House broker finnCap has more than halved its forecast 2012-13 loss for Active Risk Group following a much stronger second half.
Consumer products developer LiteBulb Group Ltd has added to its range of products through the launch of children’s gardening products under the Seedlets brand.
Transport CCTV systems supplier 21st Century Technology expects further growth in Mainland Europe sales.