Barrick Gold, one of the world's largest gold mining businesses, has agreed a deal to take full control of fellow mining firm Acacia.

Canada's Barrick, which already owns 64% of Acacia, improved an offer from earlier this year to win over the miner's board, with a deal valuing Acacia at £951 million.

Acacia, which mines mostly in Africa, was formed in 2010 after it was spun out of Barrick.

Minority shareholders in the FTSE 250 company will now receive shares worth £343 million In the enlarged company.

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The agreement draws a long-running row over valuation between the two firms to a close.

Barrick's final offer represents a 24.3% premium on Acacia's closing price on Thursday.

Shares in Acacia shot up by 17.5% to 219.4p.

High street banking giant Santander will reveal how it has fared amid the mortgage price war raging in the UK when it kicks off half-year bank results on Tuesday.

The Spanish-owned lender has already revealed a hit from the intense competition in the market, which is putting the squeeze on British banks, with a 35% plunge in its first quarter profits.

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First out of the stalls from the UK banking sector, Santander is expected to reveal the woes have continued throughout the first half of 2019, with mortgage rates under pressure across the board.

Storage company Big Yellow Group saw revenues jump 3.7% in the first three months of the financial year, after it increased occupancy rates.

Shares in the company dipped slightly despite it reporting £31.1 million in sales for the quarter to June 30, up from £30 million in the same period last year.

Like-for-like occupancy rose to 85.1%, compared to 83.3% in June 2018, but the company said it was affected by a "more muted occupancy performance" in the final quarter of last year due to heightened uncertainty around Brexit.

Big Yellow said it is pushing forward with an expansion strategy which saw it purchase a £20 million site in Harrow during the period.

Shares in Big Yellow were down by 0.9% at 1,022p.