CelLBxHealth PLC (AIM:CLBX, FRA:DWV), the AIM-listed circulating tumour cell (CTC) diagnostics company, has secured a collaboration with AdventHealth, one of the largest faith-based health systems in the United States, to deploy its Parsortix platform in two clinical cancer studies. The trials, titled ACTION and SUNRISE, will use CelLBxHealth's technology to isolate and analyse CTCs from blood samples taken from patients undergoing treatment for colon, gastrointestinal and lung cancers.
Union Jack Oil PLC (AIM:UJO, OTCQB:UJOGF, FRA:1UJ0) told investors that its Crossroads well in Garvin County, Oklahoma, has been drilled on budget to a target depth of 4,600 feet, with evaluation and testing scheduled to begin in mid-June. The AIM-listed onshore hydrocarbons company, which has a 43% interest in the well, said electric logs have been acquired and several zones of interest and test intervals identified.
OptiBiotix Health PLC (AIM:OPTI, OTCQB:OPTBF), the AIM-listed life sciences company developing gut microbiome products and healthy sugar substitutes, saw its shares jump 13.5% to 5.68p after announcing plans to demonstrate its SweetBiotix products to shareholders at a London event in June. The company reported a breakthrough in the manufacture of SweetBiotix in November 2025, achieving higher yields of a purer, more concentrated and better-tasting product with lower ingredient and production costs.
Cavendish sees more than fivefold upside in Jersey Oil and Gas PLC (AIM:JOG, OTC:JYOGF), arguing that the AIM-listed North Sea developer remains well placed to unlock value from its Greater Buchan Area interests. The stockbroker, in a note, repeated a ‘Buy' recommendation and a 537p target price, implying a 407% premium to the current 106p share price.
Cavendish sees huge upside (more than thirteenfold) for 88 Energy Ltd (AIM:88E, ASX:88E, OTCQB:EEENF, FRA:POQ), with the bullish house-broker highlighting that the explorer has reshaped its Namibia farm-in agreement, stripping out US$15 million of anticipated funding exposure while retaining a 20% stake in frontier acreage. The broker reiterated its Buy rating and 19.8p target price on the AIM-listed company, implying 1,366% upside from a 1.4p share price.
88 Energy Ltd (AIM:88E, ASX:88E, OTCQB:EEENF, FRA:POQ) announced it has secured its 20% working interest in Namibia's PEL 93 on an unconditional basis while cutting about US$15 million of minimum future funding exposure under an amended farm-in agreement. The AIM- and ASX-listed explorer said the revised deal with operator Monitor Exploration cancels Stage 2 and Stage 3 farm-in obligations, removes reassignment risk and simplifies the original commercial structure.
Active Energy Group PLC (AIM:AEG, OTCID:AEUSF) told investors that its digital infrastructure push in the UAE has moved a step forward after its subsidiary signed an agreement aimed at supporting licensing, power access and site development for crypto mining operations. The AIM-listed company said Active Mining Group has entered into a services and facilitation agreement with the Private Office of HH Sheikh Mohammed bin Ahmed bin Hamdan bin Mohammed Al Nahyan, with Black Road Investment Group and affiliated companies acting as liaison partner.
Union Jack Oil PLC (AIM:UJO, OTCQB:UJOGF, FRA:1UJ0) said drilling has started at the Crossroads Well in Oklahoma, putting the AIM-quoted explorer on a short timeline to the next operational readout from its US portfolio. The small-cap oil and gas company said it had been informed by operator Reach Oil and Gas that the well was spudded on 5 May 2026.
Union Jack Oil PLC (AIM:UJO, OTCQB:UJOGF, FRA:1UJ0) said the rig for the Crossroads Well in Southern Oklahoma remains under maintenance and repair, pushing the next drilling timetable marker into early May. The AIM-listed onshore hydrocarbon company said operator Reach Oil and Gas Company Inc had informed it that a spud date would be provided in early May.
Europa Oil & Gas (Holdings) Plc (AIM:EOG, FRA:EGN) opened Monday's session on the back foot, before rallying, in the wake of the latest UK planning dispute for onshore oil and gas. The AIM-listed oil and gas explorer, in a statement, said plans to appeal after North Yorkshire Council's planning committee indicated it was minded not to approve the company's proposed well at Burniston on the Cloughton prospect.
Oscillate PLC (LSE:SRVL), the AIM-bound shell company rebranding as Serval Resources, has completed the acquisition of Kalahari Copper and begun trading on London's junior market, raising nearly £3 million to fund exploration across two emerging African copper belts. The company's shares began trading on AIM at 8 am today under the ticker SRVL, having previously been listed on the Access segment of the AQSE Growth Market.
The AIM-listed virtual product placement company says it may have to enter administration or liquidation in the near term after failing to secure fresh capital Mirriad Advertising PLC (AIM:MIRI, FRA:8WQ, OTCQX:MMDDF), the virtual in-content advertising technology company, has warned it may be forced into administration or liquidation after efforts to secure emergency funding failed, sending shares down as much as 50% in early trading. The company said trading conditions deteriorated sharply following the escalation of geopolitical tensions in the Middle East, particularly conflict involving Iran, which hit its key regional market during what should have been its busiest seasonal period.