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

N4 Pharma rises 35% to 11.6p a share

N4 Pharma (N4P)   announced an update on its Nuvec delivery system, with further analysis of its pDNA OVA findings demonstrating a sufficient immune response producing strong levels of antibodies specific for OVA.

Nigel Theobald, CEO of N4 Pharma commented: “The data now shows Nuvec® is capable of producing specific and relevant strong levels of antibodies required for the development of vaccines and cancer treatments.”

He added "We will continue to provide updates as we add to our already encouraging data package to aid our commercial collaboration discussions.

Read more here & follow N4P here: 

Cluff Natural Resources rises 25% to 2.8p a share

Cluff Natural Resources (CLNR)  announced it signed an exclusivity agreement with a major international oil and gas company regarding its two licences in the Southern North Sea basin.

The company hopes an additional extension to the licence will allow the company to drill one or more wells on the licence.

Commenting CLNR's Chief Executive Graham Swindells said: "Our immediate focus will now be to complete negotiations with the parties with whom we are in discussion and progress towards agreeing farm outs whilst, in tandem, continuing to evaluate the highly prospective licences awarded to us in the 30th Offshore Licensing Round.

Read more here & follow CLNR here: 

Veltyco rises 23% to 18.5p a share

Veltyco (VLTY)  trading volumes have doubled as traders buy up shares in the online and marketing company for the gaming industry.

Shares have rebounded slightly after falling following the announcement it made that it was struggling to collect cash from its financial trading marketing vertical.

It stated it is considering a potential impair of receivable balances and intangible assets attributable to the vertical.

Read more here & follow VLTY here: 

Echo Energy rises 17% to 7.725p a share

Echo Energy (ECHO)  recently updated the markets on its Argentina operations, drilling two wells as part of a stimulation programme, with successful wells at ELM 1004 and EMS 1001. 

It also stated its four well sin the Cañadon Salto Field, onshore Argentina was producing 876 barrels of oil equivalent per day.

The Company is also targeting the Tapi Aike licence, which it believes has a likely 4 well drilling programme with a multi Tcf potential.

Read more here & follow ECHO here: ​​​​​​

See all today's AIM Risers here