18th Jun 2026 11:29
(Alliance News) - The following are the leading risers and fallers among London Main Market small-cap and AIM stocks on Thursday.
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Main Market small-cap winners
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Nanoco Group PLC, up 24% at 3.60p, cancels general meeting called for Friday to approve de-listing from London
Gem Diamonds Ltd, up 20% at 4.32p
World Chess PLC, up 12% at 0.31p
capAI PLC, up 10% at 0.71p
Headlam Group PLC, up 10% at 22.25p
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Main Market small-cap losers
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Chesterfield Resources PLC, down 13% at 1.05p
British & American Investment Trust PLC, down 12% at 7.50p
DeFi Development Corp UK PLC, down 10% at 13.00p
Defence Holdings PLC, down 8.8% at 1.55p, brands capability acceleration programme as Meridian, open for applications
Tullow Oil PLC, down 8.5% at 12.15p
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AIM winners
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Mothercare PLC, up 23% at 0.88p
Huddled Group PLC, up 14% at 0.60p
Ascent Resources PLC, up 13% at 0.45p, reports closure of Slovenia ECT claim before final award
GoldStone Resources Ltd, up 10% at 0.55p
Quantum Helium Ltd, up 9.9% at 0.03p
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AIM losers
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PACSCo Ltd, down 22% at 0.35p, Richard Edwards cuts stake to 12.49% as of Monday, down from 26.63%
Tekmar Group PLC, down 11% at 15.00p, net debt grows
Forgent PLC, down 11% at 0.02p
Sunda Energy PLC, down 10% at 1.85p
Atome Energy PLC, down 8.6% at 32.00p
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Small-cap and AIM movers in focus:
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Nanoco Group PLC, up 24% at 3.60 pence, 12-month range 2.00p-15.00p. Cancels Friday's general meeting to approve its proposed de-listing from the London market after concluding the resolution was unlikely to secure the required 75% shareholder support. The quantum dot developer says the board continues to believe a de-listing is in shareholders' best interests and will explore further options and discussions with investors regarding the company's future.
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Defence Holdings PLC, down 8.8% at 1.55 pence, 12-month range 0.30p-4.90p. Launches "Meridian" as the identity for its capability acceleration programme and unveils a dedicated digital platform for applications. The software-led defence technology company says the programme is designed to help emerging defence and dual-use technology firms gain access to customer insight, capital support and operational infrastructure. Defence Holdings says Meridian builds on recently announced partnerships with Oracle and IMSL and will focus on a limited number of companies developing technologies in areas such as artificial intelligence, autonomous systems, cyber and intelligence for defence, security and resilience markets.
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Tekmar Group PLC, down 11% at 15.00 pence, 12-month range 4.50p-17.00p. Reports improved interim trading, with revenue rising 31% to GBP16.2 million and adjusted Ebitda turning positive at GBP100,000 from a loss of GBP700,000 a year earlier. However, net debt increases to GBP2.7 million at March 31 from GBP1.8 million a year before. Tekmar says it expects a significantly stronger second half supported by a GBP30.1 million order book and more than GBP50 million of order intake since July, with major offshore wind contracts set to contribute from the current half year onwards.
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Ascent Resources PLC, up 13% at 0.45 pence, 12-month range 0.26p-0.74p. Proceedings in its Energy Charter Treaty arbitration against Slovenia have formally closed, with the tribunal now expected to issue a final award before the end of June. The onshore US-focused oil and gas company said it was informed by the tribunal overseeing the ICSID case that the arbitration was closed on Wednesday, marking the final stage before a decision is delivered.
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Time Out Group PLC, down 3.5% at 7.00 pence, 12-month range 7.00p-21.00p. The London-based global media and hospitality business signs an agreement with Giunina LLC for the development and operation of Time Out Market Brazil. Giunina is a firm established by "hospitality and entertainment executive Benjamin Ramalho". "The agreement will bring Time Out Market to South America, with a location in Sao Paulo expected to open in the first quarter of 2027. The project is expected to become a significant addition to Sao Paulo's food and cultural landscape, serving both residents and visitors in South America's largest metropolis," Time Out says.
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By Eva Castanedo, Alliance News reporter
Comments and questions to [email protected]
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NanocoGem Diamonds DiWorld ChessCapaiHeadlamChesterfield Resources PLCBr.amer.inv.tstDefi Dev CorpDefence HoldingsTullow OilPacsco LimitedTekmar GroupForgentSunda EnergyAtomeMothercareHuddled GroupAscent ResourcesGoldstone ResourcesQuantum HeliumTime Out