Instem PLC (LON:INS) said it is seeing strong demand for its informatics services with the value of new orders growing by 58% to £840,000.

Intellectual property investment group Tekcapital PLC (LON:TEK) shares jumped after it announced its portfolio company Salarius brought in a new customer. 

Sativa Group PLC (LON:SATI) has received a controlled drug licence from the UK Home Office, allowing it to produce and supply cannabis at its headquarters in Somerset.

Eden Research plc (LON:EDEN) said its partner had received full authorisation in Belgium for its crop protection product, Cedroz.

Applied Graphene Materials PLC (LON:AGM) has hailed “positive traction” among its customers as the firm said it was encouraged by ongoing momentum in its commercial pipeline.

Arkle Resources PLC’s (LON:ARK) Stonepark zinc project, near Limerick, has been boosted by an injection of funds from global mining major Glencore. The big-cap miner has invested just over C$1mln into Group Eleven, Arkle’s partner in Stonepark, with a share subscription giving it around 11.58% of the company.

BlueRock Diamonds PLC (LON:BRD) unearthed a record quantity of diamond ore at its Kareevlei mine in the third quarter, sending its share price up 7% to 136p.

Biotech companies backer Arix Bioscience PLC (LON:ARIX) has reported the lead candidate of its portfolio company Aura Biosciences shows “early signs of efficacy”.

Sales have rebounded at Strategic Minerals PLC’s (LON:SML) Cobre magnetite operation as the metal miner proceeded with arbitration claim against its main customer.

Ariana Resources PLC (LON:AAU) has tidied up the structure of its Kizilcukur project in Turkey by buying the holder of a net smelter royalty over the project.

Caledonia Mining Corporation PLC (LON:CMCL) says electricity supplies have improved in Zimbabwe in the past two months though it is installing additional diesel capacity to insulate the Blanket mine fully from any further grid outages.

TLOU Energy Limited’s (LON:TLOU) quarterly update highlighted “an excellent start” to flow testing at its Botswana CBM wells. The company, in a statement, told investors it is very encouraged by production data to date.

Diversified Gas & Oil PLC (LON:DGOC) has extended its definitive asset retirement agreement with the Commonwealth of Kentucky, adding a further five years to the term. The arrangement was first agreed in February with an initial five-year term and it will now run until 31 December 2028.

Angling Direct PLC (LON:ANG) has acquired fishing tackle retailer Erics Angling Centre for £1.1mln as it continues to consolidate the UK fishing market.

Futura Medical PLC (LON:FUM) will give two presentations on its DermaSys drug delivery technology and lead product MED2005, a fast-acting topical gel for the treatment of erectile dysfunction, at the Scientific Meeting of Sexual Medicine Society of North America next week in Nashville, Tennessee. The company will also host its third Scientific Advisory Meeting with high profile US key opinion leaders in the field of erectile dysfunction.

Summit Therapeutics PLC(LON:SUMM, NASDAQ:SMMT) chief executive Glyn Edwards will present at the 2019 BIO Investor Forum on 22 October in San Francisco.