Below are the main news-driven share price movements at 4pm
RISERS
Immupharma (LON:IMM) up 17%. The firm was on the rise again after it announced yesterday that the first US sites are now open to recruit patients for its pivotal phase III clinical trial of Lupuzor.
Rosslyn Data Technologies (LON:RDT) up 7.1%.The big data specialist announced two contract wins, worth more than £300,000. The first is with a leading US Retailer and the second is with a prestigious global legal firm.
FALLERS
Aureus Mining (LON:AUE) down 22.2%. The Liberia-based gold miner is facing an arbitration hearing over its termination of contractor International Construction & Engineering's (Seychelles) contract in 2014.
InternetQ (LON:INTQ) down 16.5%. Shares jumped yesterday as the firm replied to allegations made by a blog report in a line-by-line fashion. The effect was not long-lasting, however, as shares slipped back today.
Fastjet (LON:FJET) down 9.5%. Passenger statistics for November for the low-cost African airline were hit by the prolonged effect of the presidential election in Tanzania.
Below are the main news-driven share price movements at 2pm
RISERS
Challenger Acquisitions (LON:CHAL) up 32.9%. After more than six months suspended, shares in the firm began trading again earlier this morning. The decision to put the quote on hold followed the unveiling of two acquisitions that triggered the market’s arcane reverse takeover rules
Cenkos Securities (LON:CNKS) up 14.2%. The stockbroker has denied providing any material to the Serious Fraud Office in relation to an investigation into scandal-hit claims outsourcer Quindell.
Daily Internet (LON:DAIP) up 8.3%. The managed hosting and Cloud-computing integrator raised its full-year guidance.
FALLERS
Golden Saint Resources (LON:GSR) down 29.4%. Improvements and modifications have been outlined for its explorer 1 including the addition of a clay scrubber and a gold washing plant. The machines are expected to be fully operational before the end of the year.
Infrastrata (LON:INFA) down 25%. The firm saw its pre-tax loss for the year widen to £6.9mln from £1.4mln due to impairments as it focuses its operations on the Islandmagee gas project next year.
Ensor Holdings (LON:ESR) down 22.4%. The building materials group is looking to sell off all its subsidiaries, rather than the whole group, as talks with a number of interested parties heat up.
Below are the main news-driven share price movements at 9.45am
RISERS
Sainsbury's up 4.05%. Shares in supermarket chain rise on upbeat sector note from HSBC (LON:HSBA).
DekelOil (LON:DKL) up 8.7%. The Ivory Coast palm oil producer said it had reduced its debt by €5.1mln following an agreement with joint venture partner Biopalm Energy.
Enquest (LON:ENQ) up 7.8%. The North Sea explorer unveiled a 26% jump in second half output, said it was confident of increasing production next year and is on course to achieve operating expenses of $26-$28 per barrel.
FALLERS
Anglo American (LON:AAL) down 9.5%. Mining giant falls on news of further restructuring to reduce costs in the face of falling commodity prices.
Centralnic (LON:CNIC) down 15.6%. Internet domain name firm unveils a transformational deal to acquire Australian privately owned rival Instra Group for almost £16mln (A$33mln).
Kolar Gold (LON:KGLD) down 27.5%. Indian-focused gold explorer said its chief executive had quit and said it was considering options including selling or winding up the company.