- UK stocks made strong gains at the open on Wednesday as global markets continued to see-saw through an intensely volatile month.

At 0858, the benchmark FTSE 100 was up 114.15 points, or 1.6%, at 7.150.00.

Standard Chartered gained 3.9% after the bank posted a 35% increase in third-quarter profit, driven by rising income and falling charges for sour loans.

William Hill added 5% as investors applauded its decision to bet SEK 2,819m (£241.8m) acquiring Sweden-based online gambling group Mr Green.

Pensions provider Just Group jumped 5.4% after its revenue soared in the third quarter.

Packaging group Smurfit Kappa firmed 3.6% after it posted a 28% rise in year-to-date earnings and said it would acquire packaging assets in Serbia for €133m.

Fashion retailer Next fell 3.8%, despite it posting 2% growth in third-quarter 'full-price' sales and sticking to its annual earnings guidance. Sales growth was driven by online revenue, which offset an 8% slump on the high street.

Computer services provider Computacenter slid 16% after it said third-quarter revenue declined owing to weakness in the UK.

Retail property developer Intu Properties shed 0.8% after a firm offer deadline applying to the company's suitors was pushed back by two weeks.

Randgold Resources said it and Barrick Gold had agreed to increase the amount of dividends that investors would get from their proposed merger. Its shares were broadly flat.

Property developer Watkin Jones gained 3.3% on announcing that it expected to report annual revenue and underlying earnings slightly ahead of its previous expectations.

Immunodiagnostics group Oncimmune Holdings tumbled 21% after it posted a deeper annual loss and cut its revenue expectations for the current year due to the collapse of talks with a potential partner.

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