Below are some of the main news-driven share price changes at 1pm
RISERS
Sunrise Resources (LON:SRES) up 6.7%. Investors continued to bask in the glow from US and Australia-focused precious metal miner after it unveiled lower annual losses.
Jubilee Platinum (LON:JLP) up 5.5%. Miner signed off its tailings treatment contract to produce platinum from Hernic's ferrochrome waste dumps in South Africa.
Sareum Holdings (LON:SAR) up 5.4%. Drug discovery group updated on the clinical trial process for its lead cancer candidate.
FALLERS
Hummingbird Resources (LON:HUM) down 8.8%. The gold miner announced maiden estimated ore reserves at the Yanfolila gold project in Mali.
Trafalgar New Homes (LON:TRAF) down 21%. South-east England-focused housing developer falls into the red in the first half due to an overhead charge.
Kodal Minerals (LON:KOD) down 18.2%. Norway-focused copper-zinc miner booked another impairment charge on its Kodal project of £41,000 in the six months to September 30.
Below are some of the main news-driven share price changes at 9.30am
RISERS
Ironridge Resources (LON:IRR) up 5.6%. Australian miner discovers high-grade bauxite mineralisation within its wholly owned Monogorilby project in Central Queensland.
Caza Oil & Gas (LON:CAZA) up 20%. US oil & gas explorer arranged a US$45mln refinancing that will clear most of its debt but leave existing shareholders with under 3% of the company.
Orosur Mining (LON:OMI) (TSX:OMI) up 13.3%. Uruguay-focused gold producer says cost cuts are paying off as it unveiled improved operating metrics in its latest quarter.
FALLERS
Arian Silver (LON:AGQ) down 82%. Shares in Mexico-focused miner (CVE:ACQ) will begin trading on AIM again this morning having been suspended since October 29 and as discussions over financing continue.
Aveva (LON:AVV) down 35%. Engineering data software firm announces collapse of proposed tie-up with Schneider Electric.
Aurasian Minerals (LON:AUM) down 13.3%. Miner says it had shelved plans to expand in south-east Asia on hold after encountering difficulties in acquiring targeted projects.