Petroceltic chief executive Brian O’Cathain

Pretax losses more than halved at Irish oil and gas exploration firm Petroceltic in the six months to the end of June with production slightly stronge(...)

Philip O’Quigley: the  CEO of Falcon Oil & Gas said the drilling results in Australia  had exceeded expectations. Photograph: Dara Mac Dónaill

Falcon Oil & Gas, an exploration company chaired by industry veteran John Craven, saw its share price surge by close to 8 per cent on Tuesday afte(...)

Aer Lingus surprised observers to close up 7.7 per cent at €2.67

European shares suffered their worst monthly performance in four years yesterday, as concerns over a Chinese economic slowdown and a possible US inter(...)

Eni chief executive Claudio Descalzi (third left) and his delegation meeting Egyptian president Abdel-Fattah el-Sissi (centre) on Saturday. The Italian energy company announced on Sunday it has discovered a “supergiant” natural gas field off Egypt

Eni’s “supergiant” gas find off the coast of Egypt bolsters its top-flight exploration credentials and gives the Italian energy group access to easy r(...)

The plan, to raise about €4 billion from listing a 40 per cent stake in Poste Italiane on the Milan stock exchange in October, is the main plank of prime minister Matteo Renzi’s stalled drive to sell off state assets. Photograph: Alberto Pizzoli

Italy will fire the starting gun on the flotation of its 153- year-old national post office in early August, kicking off a widely anticipated €12 bill(...)

In London, Royal Mail fell 4.9 per cent after chancellor of the exchequer George Osborne said the state would sell its 30 per cent stake in the postal operator. Photograph: Leon Neal/AFP/Getty Images

European markets slid to their lowest level in a month after talks failed to resolve the Greed stalemate and a broad sell-off of ex-dividend stocks(...)

Shares in Italy and Spain, heavily indebted countries that are seen as coming under market pressure if Greece were to leave the euro zone, outperformed

Greek stocks helped push a key pan-European share index to a seven-year high on Wednesday on fresh optimism that Athens would reach an agreement with (...)

Aer Lingus ends day up at €2.14 on the back of about 730 trades. Photograph: Alan Betson

Mark Paul The Iseq in Dublin rose by 0.3 per cent as European stocks advanced for a fifth day, with banks contributing the most to the gains.Most US s(...)

Centrica,  owner of Bord Gáis Energy and British Gas, fell 1.6 per cent in brisk volume after it cut its full-year earnings outlook on the back of a steep drop in energy demand. Photograph: Nick Ansell/PA Wire

Mining stocks led a fall across Europe after manufacturing data missed economists’ estimates for the region and China. A purchasing managers index for(...)

Helge Lund, chief executive officer of Statoil. Photograph: Andrey Rudakov/Bloomberg

Statoil, Norway’s largest t energy company, again delayed a development decision for the Johan Castberg project in the Arctic Barents Sea as it consi(...)