See our roundup of today's AIM risers - see the full LSE winners & losers board here.

Immedia Group (IME) rises 21% to 28.5p a share

Immedia Group (IME)  , the multi-media content and digital solutions provider, announced it has signed a three-year contract with a major high street financial institution. 

The contract relates to the delivery of live audio stream to all the institutions consumer retail estate in the UK.

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Bahamas Petroleum (BPC) rises 20% to 1.65p a share

Bahamas Petroleum (BPC)  is an oil and gas exploration company with offshore licences in the Bahamas, with Macquarie Capital Markets Canada acting as an advisor.

It has lodged an application for Environmental Authorisation with the Government of The Bahamas to commence offshore field activity, and raised $1.6 million through share placements and warrants.

Simon Potter, Chief Executive Officer of Bahamas Petroleum Company, said: "The Board remains entirely focussed on seeing an initial exploration well completed. With the support of our advisers at Macquarie, the sustained recovery in the global oil price providing further confidence to industry operators and investors alike, and the recent bolstering of the Company cash position, we are working hard to secure the investment needed to move this exciting project forward.”

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88 Energy (88E) rises 13% to 1.25p a share

88 Energy (88E)  rises 13% following the release of an operational update regarding its work on the Central North Slope Alaska. 

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Proteome Sciences rises 15% to 3.75p a share

Proteome Sciences (PRM) , the biotech company specialising in applied proteomics, released a trading update announcing recognised revenues from services in the third quarter were the strongest this year.

It suggested the value of committed work orders in 2018 should be more than double 2017, but overall performance remains behind plan.

Commenting on this update Jeremy Haigh, Chief Executive Officer of Proteome Sciences, said: "The slower than anticipated adoption of our services platform, in terms of annually recognised revenues, is clearly disappointing but we are encouraged by the number and diversity of the new projects we have won, and by the strength of our order book which has the more than doubled this year.

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Microsaic Systems (MSYS) rises 8% to 1.35p a share

Microsaic Systems (MSYS) , the developer of point need mass spectrometry instruments, announced it has signed an exclusive distribution agreement with Spark Holland, (iChrome Solutions) to distribute Microsaic-branded 4500 MiD® MS detector in the US and Canada.

iChrom has developed strategic partner relationships with several global instrument and consumable suppliers to expand offerings for a more comprehensive portfolio of high-quality instruments and accessories.

Glenn Tracey, CEO of Microsaic, commented, "I am extremely pleased to partner with iChrom to distribute our compact, point of need MS technology, alongside their impressive technology portfolio. The team at iChrom has the in-depth technical expertise, and full reach of end user applications, particularly in drugs of abuse and small molecule pharmaceuticals.”

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See all today's AIM Risers here