Below are some of the main news-driven share price movements at 4pm.
RISERS
Nighthawk Energy up 10.4%. Average gross production in the first half of 2015 was 1,950 bopd (1,599 bopd net*), more than the first half of 2014 figure of 1,909 gross bopd, despite the lack of new wells drilled due to a lower oil price.
Greggs (LON:GRG) up 7.8%. Sales rose 6.4% rise to £398mln (£374mln in the first half of 2014) with pre-tax profits more than a third higher to £25.6mln. It also opened more stores than it closed for the first time in two years in the first half of 2015.
Renishaw (LON:RSW) up 6.9%. The Gloucestershire-based engineering company saw record revenue of £494.7mln in the year to 30 June with record pre-tax profit of £144.2mln. It paid a final dividend of 34p taking the total to 46.5p.
FALLERS
LGO Energy (LGO), down 15. The company said its GY-676 well on the Goudron Field development in Trinidad measured 250 feet of net oil pay and had an estimated 222 feet in the C-Sand, with shows of light oil shows seen at surface.
Tullow Oil (LON:TLW) down 5.8%. The oil explorer lowered guidance on its key Jubilee field which is having unexpected problems with compressed gas after sales missed expectations. First half losses narrowed.
Lonmin (LON:LMI) down 6%. The lower platinum price continue to weigh on the miner that said it would have to cut jobs to remain operational at current prices.
Below are some of the main news-driven share price movements at 1pm.
RISERS
Image Scan Holdings (LON:IGE) up 48%. The mobile X-ray provider was given a grant from Innovate UK under the Smart award scheme, and signed a technology licence deal with IBEX Innovations.
DDD Group (LON:DDD) up 9%. It renewed its licence deal with South Korean electronics group Samsung Electronics through to 2016.
Man Group (LON:EMG) up 8.5%. The fund manager posted pre-tax profit of US$163mln in the first half of 2051 compared with US$106mln a year earlier due to higher fees. However, it remains cautious about its outlook for the remainder of the year.
FALLERS
JKX Oil & Gas (LON:JKX) down 22.6%. Shares plunged after it swung to a loss in the first half of 2015 due to lower production and lower prices having made a big profit the year before.
Global Invacom Group (LON:GINV) down 21%. The Group expects to report a net loss between US$2.5mln and US$3mln for the first half of 2015 due to a delay in sales and the reclassification of export taxes for certain products.
Compass Group (LON:CPG) down 4.5%. It warned the costs of its new restructuring plan would impact its full year margins. Shares fell despite third quarter results being in line with forecasts.
Below are some of the main news-driven share price movements at 9am.
RISERS
Quintain Estates (LON:QED) up 23.1%. The owner of the land around Wembley stadium, including Wembley Arena is to be sold to US-based investment firm Lone Star for around US$1.1bn (£700mln).
Deltex (LON:DEMG) up 7.66%. It has been granted approval to sell its paediatric blood flow monitoring probes in the US by the Food and Drug Administration. Deltex has sold the probe in Europe for the ten years.
Foxtons (LON:FOXT) up 7.3%. Pre-tax profit fell 21% due to lower property sales and higher admin costs, but the estate agent said it is on-track for full-year expectations with a better second half ahead.
FALLERS
Clean Air Power (LON:CAP) down 21.6%. The board remains in discussions with a number of parties to sell the business, but “in the event of an offer, and partly due to the short term financial constraints that the group is operating under, the board can provide no assurance that significant value will be returned to shareholders.”
Premier Farnell (LON:PFL) down 16.2%. The company said since the first quarter, sales have slowed dramatically in the UK and North America. It revised down its estimate for operating profit, which is likely to be 10% lower than the first half of 2014.
Pets at Home (LON:PETS) down 5.2%. The company is still on track to hit full-year expectations, but like-for-like revenue growth of 1.7% was below analysts' forecasts of around 3%.