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

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AIM - WINNERS

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Bradda Head Lithium Ltd, up 25% at 6.05 pence, 12-month range4.45p-15.5p. The North America-focused lithium developer says Non-Executive Deputy Chair Jim Mellon buys 8.0 million shares at 4.5p each, for a total value of GBP360,000, on Thursday. Mellon now holds an 18.7% stake, via Galloway Ltd, which is indirectly wholly-owned by Mellon. Chief Financial Officer is also a director of Galloway, Bradda notes. On Thursday, Bradda said it had acquired 100% of three inlier lode claims in the Central San Domingo claim block, located in the US state of Arizona. The acquisition of these claims allows the company to fully explore the surrounding area at its central claim block, where the company said it has seen "very promising" results. On Friday, says the next six to nine months will contain "several" market catalysts for the firm, and it will keep the market updated.

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AIM - LOSERS

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Mirriad Advertising PLC, down 35% to 0.94p, 12-month range 0.81p-27p. The in-content advertising company, says it is no longer in an offer period as there is no prospect of the company receiving a takeover offer by early April. It adds that its current cash position as at March 31 was GBP7.5 million, down from GBP17.7 million as at June 30. The company says it is continuing to assess all strategic options, including seeking additional funding, with no certainty that "any investment received will be suitable". Meanwhile, Mirriad says it is partnering with San Jose, California-based based Harmonic Inc, a technology company focused on virtualised broadband video delivery solutions.

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Roebuck Food Group PLC, down 13% at 15.5p, 12-month range 10p-22p. The protein and product sourcing company says its executive chair, Ted O'Neill, will step down in September. O'Neill holds a 10.1% stake in the company, or 3.0 million shares. "Mr O'Neill is waiving any entitlement to payment in lieu of notice or otherwise in respect of his ceasing to hold these offices," the firm says. Will update further in the coming weeks on the structure of the board.

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By Elizabeth Winter, Alliance News senior markets reporter

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