London stocks slipped lower on opening with Travis Perkins (TPK) and Reckitt Benckiser (RB.) guiding the blue-chip pack south, followed by a string of property and financial stocks. Soon after the open, FTSE 100 was down 10.76 points, or 0.15%, to 6989.3, while FTSE 250 was 56.65 lower, or 0.31%, to 17,937.8. At 8.37am, WTI crude was up 1.15% to $50.87/bbl and Brent was up 1.06% to $52.23/bbl. Gold was 0.03% lower at $1262.5/oz. Travis Perkins (TPK), down 6.82% to 1386.5p, cited an uncertain UK outlook in plans to close more than 30 branches and for further efficiency-driven changes in its supply chain. Reckitt Benckiser (RB.), down 2.35% to 7154.5p, said in a Q3 trading update that it is on track to deliver a strong 2016. "We are targeting full year LFL net revenue growth of +4%." Investment specialists and managers faded. St James's Place (STJ) lost 1.37% to 919.75p, Schroders (SDR) eased 0.96% to 2790p and Hargreaves Lansdown (HL.) ebbed 0.82% to 1150.5p. Insurers southbound included Legal & General (LGEN), off 0.88% to 208.15p, while commercial property retreated behind Land Securities (LAND), lower 0.7% to 994p. Also suffering were several supermarkets, pharmas, utilities and leisure stocks, but others in these sectors rose. Roughly 56 blue-chip stocks tapered, although most falls were muted. To the upside, miners were prominent behind Anglo American (AAL), up 1.72% to 1047.25p, as were a number of house builders. BHP Billiton (BLT), down 0.33% to 1208p, said all production and unit cost guidances were unchanged for FY 2017. But, guidance for Olympic Dam is under review. BIGGER MOVERS Laird (LRD), down 46.58% to 164.8p, said that after a disappointing H1, a significant improvement in H2 was expected, particularly in the Performance Materials (PM) division. But, it said, the acceleration of production for mobile devices has come much later than in previous cycles and visibility on volumes remains poor. Oneview (ONV), down 34.88% to 3.5p, as it warned of a number of delays in some of its major pipeline contracts, and pointed to FY revenue likely falling below market views. Cluff Natural Resources (CLNR), up 34.27% to 5.98p, has announced a substantial increase in the prospective resources for its 100%-held licence P2248 (Block 43/11) in the southern North Sea gas basin. LONDON HIGHLIGHTS Roxi Petroleum (ROXI) rose 22.54% to 10.88p as it provided the market with news of its initial testing at Shallow Well 141 and the preparatory work for new shallow Well 142, together with an update on Deep Well A6. Highlands Natural Resources (HNR), up 26.34% to 32.38p, has concluded its preliminary analysis on data collected over a three week period following the completion of recent testing campaigns for DT Ultravert in the Piceance Basin, Colorado. Ortac Resources (OTC), up 10.53% to 0.03p, said it has subscribed for an additional 62,500 shares in Casa Mining Ltd for a consideration of $50,000 to maintain its stake of 19.5%. Prospex Oil and Gas (PXOG), up 6.53% to 2.53p, said approval has been received from Poland's Ministry of Environment to drill the onshore Boleslaw-1 well in the 1,150 sq km Kolo Licence. Datatec (DTC), down 5.91% to 262.5p, said its H1 revenues fell to $3.04bn, from $3.29bn last time. EBITDA fell to $68.9m, from $80.6m, but gross margins improved to 13.8% from 13.1%. Sanderson (SND), up 5.47% to 67.5p, said its FY trading results are in line with market expectations in terms of profit, whilst revenue is slightly ahead of expectations. Kodal Minerals (KOD), up 4.65% to 0.11p, has requested a temporary withdrawal from the planning process for its non-core phosphate and titanomagnetite project in southern Norway. Taptica (TAP), up 4.59% to 159.5p, has been appointed as exclusive mobile advertising partner by Codoon, China's largest sports events and social service platform, to drive qualified user installs of its Runtopia app in the UK, US, Canada, Australia and elsewhere. Other stocks in the news included Foxtons (FOXT), Hotel Chocolat (HOTC), W Resources (WRES), Softcat (SCT), ECO Animal Health (EAH), Oxford Metrics (OMG), Horizon Discovery (HZD), Plutus PowerGen (PPG), Kromek (KMK), StatPro (SOG), GW Pharmaceuticals (GWP), Eurotunnel Group (GET) and Rentokil Initial (RTO).