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Johannesburg - Shares of construction company Group Five jump more than 5 percent after the company says its first-half headline earnings climbed 63 percent and its order book swelled.

Headline earnings are 153 cents a share for the six months to end December and its total construction and engineering order-book stands at 13.5 billion rand ($1.51 billion).

It declared a 32 cents per share dividend.

Shares are 5.2 percent higher at 30.80 rand. - Reuters