Wall Street was slightly higher in volatile trading on Thursday as a decline in biotech stocks offset gains in energy shares.

Crude oil prices rose on Thursday to their highest in three weeks on hopes for a pact among oil producers to cut output, while the dollar slipped on b(...)

European shares fell on Monday in their first day of trade since the Christmas break.

European shares fell on Monday in their first day of trade since the Christmas break, with a sharp decline in crude oil prices putting pressure on ene(...)

Traders work on the floor of the New York Stock Exchange. REUTERS/Brendan McDermid

An initially positive start to the quarter for stocks in Europe and the United States fizzled out as a mostly disappointing batch of economic reports (...)

 Former  Spanish prime minister Felipe Gonzalez speaks to journalists after a meeting  Lilian Tintori (right)  and other  wives of Venezuelan imprisoned opposition leaders, and  members of the opposition alliance  in Caracas, on Monday. Photograph: Miguel Gutierrez/EPA

Former Spanish prime minister Felipe González has made a short visit to Venezuela to offer support to two jailed politicians in a move which has he(...)

The disputed wind farm projects are the largest planned to date in Europe in close proximity to major seabird colonies

A planned £1.5 billion (€2.1 billion) offshore wind development by Dublin-based Mainstream Renewable Power will be challenged in a Scottish court thi(...)

A training exercise of a simulated helicopter crash in the National Maritime College of Ireland. The college in Ringaskiddy and SEFtec in Carrigaline have worked together to design, manufacture, develop and operate the Grupo Stier training centre in Las Palmas. Photograph: Darragh Kane

Offshore survival training at one of southern Europe’s rapidly developing oil and gas hubs is to be provided by the National Maritime College of Irel(...)

Repsol’s shares on Madrid’s stock exchange. Repsol will take on $4.7 billion of acquisition traget Talisman’s debt.

Spain’s Repsol has agreed to buy Talisman Energy, Canada’s fifth-largest independent oil producer, for $8.3 billion as the drop in oil prices pushes e(...)

A screen showing the price of Repsol’s shares at Madrid’s Stock Exchange. The Spanish oil giant has about $10 billion in cash and short-term instruments available to make acquisitions

Repsol, the Spanish oil group, is in talks to acquire Talisman Energy of Canada, in a deal that could value the target’s equity at up to $8 billion.Se(...)

Axel Kicillof, Argentina’s economy minister: said “vulture funds” had rejected a renewed offer from the government and it was “impossible” to pay them more. Photograph: EPA/Jason Szenes

Some of the world’s largest hedge funds have been snapping up Argentine stocks, betting on an economic recovery in the troubled country despite it def(...)

Argentina’s economy minister Axel Kicillof arrives at the office of a court-appointed mediator in New York yesterday. Photograph:  Carlo Allegri/Reuters

Argentina saw its credit rating cut to “selective default” by Standard & Poor’s as talks between government negotiators and US creditors to avo(...)