Last checked at 
(Alliance News) - The following stocks are the leading risers and fallers on AIM in London on Monday.
----------
AIM - WINNERS
----------
UK Oil & Gas PLC, up 18% at 0.21 pence, 12-month range 0.10p-0.55p. The company now has an extra two years to decide whether or not to drill the PEDL234 Loxley-1 gas appraisal well, after receiving an extension from the UK's Oil & Gas Authority. Also notes the Oceanmec Karahan ZJ40DZ rig has now been mobilised to the Basur-3 appraisal well in western Turkey.
----------
Panther Metals PLC, up 6.4% at 14.10 pence, 12-month range 6.03p-17.90p. Announces JORC-compliant exploration target at Coglia nickel and cobalt project in Australia. Exploration target consists of 30.0 million to 50.0 million metric tonnes of nickel-cobalt laterite mineralisation at grading between 0.6% and 0.8% nickel.
----------
AIM - LOSERS
----------
MediaZest PLC, down 10% at 0.092p, 12-month range 0.030p-0.18p. Gives back some of Friday's hefty gains, when it closed 11% higher. On Friday, the company said it was involved with the new Vashi store in Covent Garden, London. Stock remains 94% higher since 2021 started.
----------
Westminster Group PLC, down 11% at 5.50p, 12-month range 3.80p-11.47p. Similarly sees a share price fall after rallying 11% on Friday. The stock also jumped 41% last week Tuesday after agreeing an airport security deal in the Democratic Republic of the Congo. Stock has risen 34% since 2021 began.
----------
Ilika PLC, down 11% at 5.50p, 12-month range 3.80p-11.47p. Says trading in year ended April 30 went in line with expectations, though the battery technology firm expects revenue to fall to GBP2.3 million, from GBP2.8 million, and its adjusted loss before interest, tax, depreciation and amortisation is tipped to widen to GBP2.3 million from GBP2.1 million.
----------
By Eric Cunha; ericcunha@alliancenews.com
Copyright 2021 Alliance News Limited. All Rights Reserved.