StockMarketWire.com - UK stocks opened lower on Wednesday, dragged down by miners and a profit warning from luxury car maker Aston Martin.

At 0851, the benchmark FTSE 100 index was down 28.92 points, or 0.4%, at 7.527.94.

Rio Tinto, BHP and Anglo American fell 3.2%, 3.1% and 1.8%, respectively.

Copper miner Antofagasta bucked the trend, gaining 0.1% on reporting higher second-quarter production and lowering its cost guidance for the year.

Aston Martin tumbled 23% after it warned on earnings, blaming pressure on its wholesale business caused by economic uncertainty.

Television broadcaster ITV rallied 7.0% after a 5% fall in first-half advertising revenue nevertheless beat its expectations amid the popularity of hit show Love Island.

Standard Life Aberdeen added 1.1% after it agreed a final settlement with Lloyds related to a dispute over an unwanted termination of its asset management arrangements with the bank.

Standard Life Aberdeen would receive a £140m settlement payment from Lloyds and still get to manage about a third of the original assets.

Pub owner Marston's dropped 8.1% after it announced that weaker revenue in the past 16 weeks had limited like-for-like sales gains in its financial year to date to just 0.5%.

Drinks maker Britvic lost 0.6% as it reported a fall in third-quarter revenue amid a more challenged performance in France and Ireland.

Vodafone fell 0.4% after it released more details of a 5G network sharing plan in the UK with O2 Telefonica.

Property investor and developer Segro gained 1.9% despite it posting a 28% fall in first-half profit owing to property revaluations. The company also posted higher adjusted earnings, boosted by higher rental income, and hiked its interim dividend 14%.

Wealth manager Rathbone Brothers shed 0.5%, as its first-half profit more than halved amid one-off costs associated with acquisitions and greater outflows from its funds.

Payments services group Paypoint gained 0.6% after it posted 3.6% growth in first-quarter revenue, driven by an increased site rollout. Story provided by StockMarketWire.com