John Wood Group, the Aberdeen-headquartered energy company, has agreed the sale of its nuclear business to Jacobs for £250 million.

David Kemp, Wood's chief financial officer, said: "The sale of our nuclear business follows other recent divestments and marks a significant step towards achieving Wood's target leverage policy.

"Although our nuclear business is a strong UK player and has performed well, we see better opportunities to develop clear global leadership positions across other parts of our business."

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The deal also includes an agreement that Jacobs will pay Wood a fee of £7.5 million if the UK's competition watchdog does not clear the deal.

Persimmon has posted a dip in profits after its efforts to improve quality slowed down the number of properties being sold.

The group reported profit before tax of £509.3 million for the six months to June 30, down from £516.3 million.

Total group revenue was 4.5% lower at £1.75 billion, as the number of new homes sold slowed to 7,584 compared with 8,072 this time last year.

Persimmon had already unveiled the lower sales rate in July, saying it had put the brakes on the process to ensure better customer satisfaction.

New chief executive Dave Jenkinson said the latest numbers showed it had made progress.

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He said: "Improving the quality and service delivered to our customers remains our top priority and I am encouraged with the progress made in the first half, which clearly shows that Persimmon is changing."

Sales in supermarkets were flat during the 12 weeks to August 11 compared to the same period last year, according to the latest grocery market share figures from Kantar.

All of the 'Big Four' supermarkets - Asda, Morrisons, Sainsbury's and Tesco - saw a dip in sales and a reduction in market share during the period.

Meanwhile Ocado was the fastest-growing UK grocer, notching up a 12.6% rise.

Lidl was the next fastest, growing by 7.7% to give the discounter a record total market share of 5.9%.