Tullow Oil shares plunge 17% on €1.1bn first-half loss

Tullow Oil CEO Rahul Dhir is reviewing the group's assets
Tullow Oil shares plummeted by as much as 17% after the Irish-founded exploration company posted a $1.3bn (€1.1bn) after-tax loss for the first half of this year, versus a $103m profit for the same period last year.
The company’s new boss has ordered a review of its assets and growth prospects with the results from that due later in the year.