London stocks closed mixed with the blue-chip index up a wafer and the mid cap down firmly against a backcloth of rising oil prices on hopes of an OPEC production cap.
At the close, FTSE 100 was up 2.19 points, or 0.03%, to 6777.96, while FTSE 250 was down 131.67, or 0.75%, to 17,527.6. Overall, fallers outnumbered risers 57 to 43.
At about 16:37 GMT, WTI crude was up 3.76% to $47.41/bbl and Brent was ahead 3.86% to $48.67/bbl. OPEC next meets on Nov. 30 in Vienna. Gold sparkled ahead 0.29% to $1212.2/oz.
Randgold Resources (RRS) led the blue-chip pack with a 3.63% rise to 6000p as gold firmed, with Fresnillo (FRES) following suit with a 3.22% gain to 1330.5p.
More miners followed, among them Anglo American (AAL), up 2.91% to 1121.25p, and Glencore (GLEN), ahead 2.39% to 268.15p.
Oil majors were led up by BP (BP.), up 1.91% to 456.18p, and Shell (RDSA), up 1.44% to 2013.5p.
To the downside the story was one of leisure outfits, property and multiple financials, although some in these sectors eked out minor gains. Whitbreat (WTB) fell 2.58% to 3511p.
Notably down were Direct Line (DLG), off 2.45% to 346.6p, St James's Place (STJ), down 2.05% to 932.5p, and Barratt Developments (BDEV), lower 1.9% to 479.6p. Hammerson (HMSO) ebbed 1.53% to 546.5p.
Other fallers included supermarkets, several utilities, a number of consumer goods and a run of pharmas.
GlaxoSmithKline (GSK), down 0.46% to 1515.5p, has filed a regulatory submission with the US FDA for the once-daily, closed triple combination therapy fluticasone furoate/umeclidinium/vilanterol (FF/UMEC/VI 100/62.5/25 mcg) for patients with chronic obstructive pulmonary disease (COPD).
African Potash (AFPO), down 43.18% to 0.13p, said its nominated adviser, Cantor Fitzgerald Europe, has given notice of its intention to resign, effective from Dec. 7.
Senterra Energy (SEN), down 41.18% to 2.5p, said its plans to acquire Oasis Smart Sim Pte Ltd have terminated by that company. It believes a replacement transaction will be found. Its shares have been restored to trading.
Bos Global Holdings (BOS), up 43.59% to 6.63p, announces the execution of a distribution deal between subsidiary, Bos Distributions and Ag-I Solutions Ltd. This secures Bos distribution of Ag-I Solutions products globally, and first rights to acquire the underlying IP.
China Africa Resources (CAF) fell 27.27% to 4p as it issued a business update, which included details of a proposed restructuring, £1m fundraise and transition into a cash shell seeking a reverse takeover transaction primarily focused on the energy metals and minerals sector.
Instem (INS) fell 23.83% to 219p as it said its FY results are expected to be behind market expectations. It said there was a range of possible outcomes for the year, dependent on the timing of new contract wins.
Essentra (ESNT), down 22.24% to 384.35p, said its FY 2016 outlook is now for a like-for-like revenue decline in line with the first half out-turn of -7%, with adjusted operating profit in the range of £137m-£142m, revised from £155-£165m.
LXB Retail Properties (LXB), down 19.79% to 38.5p, said its net asset value per share fell to 56.70p in the year to end-September, from 103.27p previously.
Plutus PowerGen (PPG), up 17.31% to 3.05p, has received an offer by a leading Big Six multinational utility company to fund up to 20% of any 20MW renewable fuel or gas powered flexible energy projects going forward.
Alternative Networks (AN.), up 17.09% to 334p, has recommended an offer from Daisy Intermediate Holdings Ltd. Shareholders would receive 335p a share in cash, valuing Alternative Networks at about £165.3m.
Arria NLG (NLG), down 13.79% to 10.13p, has received £1.1m of the £2.7 million relating to loan notes it announced on Oct. 3. It expects to receive the balance of about £1.6m by Dec. 15.
Thalassa (THAL), up 13.16% to 43p, has issued a trading update for subsidiary WGP Group (WGPG) following successful completion of the autumn Permanent Reservoir Monitoring programmes in the North Sea.
Intelligent Energy (IEH), down 11.76% to 11.25p, said its FY revenues rose to £91.8m, up from £78.2m. Its loss before interest, tax, depreciation and amortisation was £33.4m, from £46.2m.
Other stocks in the news included Mitie Group (MTO), Blue Prism (PRSM), Omega Diagnostics (ODX), Frontier IP (FIPP), Red Rock Resources (RRR), Premaitha Health (NIPT), SigmaRoc (SRC), Costain (COST), Personal Group (PGH), Kibo Mining (KIBO), Georgia Healthcare (GHG), Chemring (CHG), Safeland (SAF), Chamberlin (CMH), Barloworld (BWO), Palace Capital (PCA), Diurnal (DNL) and EnQuest (ENQ).