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

Altona Energy rises 22% to 82.5p a share

Altona Energy (ANR)  provided an update on the discussions with another holder of South Australian coal assets interested in applying the company’s Pyrolysis technology, of which it has an exclusive licence to use in Australia and China.

It is entitled to 95% of revenues generated with the licence, and is developing a plan for the potential sale of part of its coal assets in combination with the same pyrolysis technology.

Nicholas Lyth, CEO of the Company, said: "The economics of power generation using pyrolysis technology in an area of significant shortfalls in electricity generation are appealing.”

Read more here & follow ANR here: 

Firestone Diamonds rises 11% to 3.75p a share

Firestone Diamonds (FDI)  announced this morning that it recovered a 46 carat white gem diamond from its Liqhobong Mine in Lesotho, which will go on sale at the next tender which is scheduled to take place at the end of January 2019.

It also reported a stabilisation in pricing for the smaller, lower value stones.

Paul Bosma, Chief Executive Officer said: “We are also pleased by the fact that the prices of our smaller, lower value goods have stabilised and we look forward to further improvement as we head into the new year on the back of an expected positive diamond jewellery retail season".

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ValiRx rises 13% to 1.25p a share

ValiRx (VAL)  announced earlier in the week that VAL201 data showed a statistically significant dose dependant response in the reduction of PSA correlated to time on the Phase l/ll clinical trial, for patients with hormone-sensitive and hormone-resistant prostate cancer.

Dr Satu Vainikka, CEO of ValiRx, commented: "I am delighted to receive this analysis from an external expert, showing that VAL201 is having a positive and desired effect on prostate cancer patients' disease markers.  Effectively, the more a patient takes VAL201, the more a patient's PSA will decrease".

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Ormonde Mining rose 10% to 5.075p a share

Ormonde Mining (ORM)  provided an update on its Barruecopardo Tungsten Project in Salamanca, Spain. 

It noted that equipment and supporting structure installation is almost complete, pipework and low voltage electrical installations are advanced, and some circuits have commenced commissioning. Water treatment plant commissioning is complete, and dewatering of the pit is ongoing with over 100,000 cubic meters are being pumped from the pit to water dams. 

Michael Donoghue, Ormonde's Chairman and Interim Managing Director, commented: "With substantial progress made on construction activities during the quarter, the Project has now entered a transition period as construction activities begin to wind down and mine commissioning activities ramp up significantly.”

Read more here & follow ORM here: ​​​​​​

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