Below are some of the main news-driven share price changes at 4pm.
RISERS
Polemos (LON:PLMO) up 38.4%. Huntress Nominees has upped its stake in the companu to above 3% after buying 11mln shares.
Independent Oil & Gas (LON:IOG) up 14.8%. A contract has now been signed with AGR Well Management for the planned Skipper appraisal well.
PeerTV (LON:PTV) up 12.5%. The firm added banking specialist Kavi Dhana – previously of Barclays Capital and Societe Generale - as a non-executive director.
FALLERS
Concha (LON:CHA) down 46%. The company said it was not aware of any reason for the volatility in its share price.
Beowulf (LON:BEM) down 16.5%. It has received notification that a claim, from a drilling contractor employed on Kallak during 2014, has been filed against the Company with a small claims court in Sweden
Imaginatik (LON:IMTK) down 11.1%. The company had £40,000 in cash reserves in its interims, after raising around £610,000 through placings in May and June. A loan from the chairman of around US$310,000 (£204,000) plus interest falls due for repayment in coming months.
Below are some of the main news-driven share price changes among FTSE 350 stocks at 12.45pm.
RISERS
Micro Focus International (LON:MCRO), up 11.7%. The legacy software's interims sparkled, with the company's fortunes having been transformed by last year's acquisition of The Attachmate Group.
Glencore (LON:GLEN), up 10.5%. The mining and commodities trading group has not always had the best relations with the City, but it is back in the barrow-boys' good books after an investor presentation this morning.
TUI (LON:TUI), up 5.1%. When it is freezing outside, there are few things more cheering to investors than a sunny set of full-year results from a package tour operator. Turnover was up 8% and underlying earnings shot up 37%.
FALLERS
Sports Direct International (LON:SPD), down 12.9%. The shares are certainly wining the backwards running race today, after interim results that “were a little behind the curve”, according to Cantor Fitzgerald.
Old Mutual (LON:OML), down 11%. The South African insurance and wealth management firm is getting a battering after South Africa's finance minister got the old heave-ho, which sent the nation's already struggling currency into a tailspin.
Investec (LON:INVP), down 9.4%. Investec is another South African finance house getting a duffing over.
Below are some of the main news-driven share price changes at 9.15am.
RISERS
Nanoco Group (LON:NANO), up 14.6%. The quantum dots specialist cheered the market with an upbeat AGM statement, with Anthony Clinch, Nanoco's chairman, declaring 2016 would be a landmark year for the company.
Synetics (LON:SNX), up 14.3%. Network security systems designer said it intends to celebrate its return to profitability by resuming dividend payments.
Titon Holdings (LON:TON), up 13.7%. Ventilation products manufacturer increased profits by 4-% in the year just ended, largely due to another good result by its Korean subsidiary.
FALLERS
Tern (LON:TERN), down 22.0%. The tech-investor said it is investing a further £500,000 in its subsidiary Cryptosoft to tide it over while sales revenue builds up.
Premier African Minerals (LON:PREM), down 21.0%. The shares fell to 0.375p after the company issued new shares at that price to a single investor to raise £112,500 to provide funds for development work on its RHA mine.
Sports Direct International (LON:SPD), down 8.4%. The sportswear retailer's chief executive reckons the group has delivered “another excellent set of results”; the market disagreed. Revenue was flat year-on-year, which the group put down to last year's numbers receiving a boost from the FIFA World Cup.