AIM WINNERS & LOSERS: OPG proposes buyback; Corero gets renewal

(Alliance News) - The following stocks are the leading risers and fallers on AIM on Wednesday.

----------

AIM - WINNERS

----------

OPG Power Ventures PLC, up 8.1% at 5.89 pence, 12-month range 4.00p-10.00p. The developer and operator of power plants in India proposes a GBP11.4 million share buyback and cancellation of its AIM listing. It seeking to buyback 182 million shares, 45% of its existing capital, at 6.27p each. "In addition to carrying out the share buyback offer, the directors have concluded that it is in the best interests of the company and its shareholders to cancel the admission of the ordinary shares to trading on AIM," OPG says.

----------

Corero Network Security PLC, up 5.3% at 9.22p, 12-month range 8.50p-26.00p. The cybersecurity firm specialising in distributed denial of service protection hails a "key customer renewal". It received a "renewal and significant expansion order with a key customer, a leading US cloud computing provider in October 2025". "The renewed and expanded contract, providing DDoS protection solutions to the customer's current and planned data centre portfolio, has a total contract value of USD6.8 million," it adds. It reaffirms its revenue outlook range of USD24.0 million to USD25.5 million.

----------

AIM - LOSERS

----------

Union Jack Oil PLC, down 13% at 3.30p, 12-month range 3.00p-13.50p. Shares fall to this 12-month low on Wednesday. The UK and US-focused onshore hydrocarbon, production, development, exploration and investment company reports an "unexpected and disappointing result" from work at the Sark well in Oklahoma. "Sark was drilled to a Total Depth of 5,391 feet and the Prue interval was highlighted on electric logs as hydrocarbon bearing following evaluation. Temporary production facilities were installed and a 30-day test programme was undertaken. The production test of the Prue Sandstone failed to produce commercial hydrocarbons," it adds.

----------

By Eric Cunha, Alliance News news editor

Comments and questions to newsroom@alliancenews.com

Copyright 2025 Alliance News Ltd. All Rights Reserved.

Corero Network

Union Jack