The week’s biggest gainer was Sefton Resources, an Aim-quoted oil and gas explorer with acreage in California and Kansas. The stock surged 197.3 per cent after an independent report commissioned by the company put a potential value on its Kansas prospect of about £62m ($100m). At Friday’s closing price, Sefton’s market value stood at £15.6m.

Real estate adviser DTZ Holdings was up 64.1 per cent after receiving a takeover approach from its controlling shareholder, Saint George Participations of France.

An upbeat trading statement helped Photo-Me International climb 12.8 per cent. The maker of photo kiosks and children’s rides said it had enjoyed a strong performance in France, its biggest trading area.

Summit Corporation, the antibiotics developer, rose 72.4 per cent after it triggered a milestone payment from Wellcome Trust to help pay for its pre-clinical trials.

Luminar, the nightclub operator, dropped 21.6 per cent on news that trading had deteriorated sharply over the April bank holidays. Lenders gave the company until the end of August to put a recovery plan in place.

AssetCo, the fire engine owner, fell 47.6 per cent on a warning that it had breached banking covenants less than two months after a rescue fundraising.

Get alerts on Sefton Resources Inc when a new story is published

Copyright The Financial Times Limited 2019. All rights reserved.
Reuse this content (opens in new window)

Comments have not been enabled for this article.

Follow the topics in this article