The strategy of Apple chief executive officer Tim Cook has been to introduce bigger iPhones, give more money back to stockholders and introduce new devices. Given the stock’s 25% rise this year, it seems to be working with investors. (Photograph: Marcio Jose Sanchez/AP)

Apple’s stock closed at an all-time high yesterday, surpassing a 2012 record as investors look ahead to new products such as bigger-screen iPhones and(...)

A trader watches his screen on the floor of the New York Stock Exchange yesterday. US stocks fluctuated, after the Standard and Poor’s 500 Index produced its biggest two-day gain since April, as investors watched geopolitical developments and energy shares sank. Photograph: Reuters

Both European and US stocks fell with the euro amid concern over conflicts in Ukraine and the Middle East. German investor confidence, reported by the(...)

Shareholders at Irish engineering firm Kentz have approved the takeover of the business by Canadian rival, SNC-Lavalin. The acquisition, which remains(...)

US president Barack Obama addresses the nation from the State Dining Room of the White House, in Washington yesterday.  Photograph: Mike Theiler/EPA

The US military conducted two additional air strikes against Islamic State forces near the city of Arbil in northern Iraq this evening, the Pentagon s(...)

Meeting Facebook CEO Mark Zuckerberg was a highlight of Michael Sayman’s internship with the social media giant. But there are financial rewards too, and it has become standard for US based engineering interns to snag free housing, transportation and salaries of more than $6,000 a month.

Facebook rolled out the red carpet for Michael Sayman when the social network hired him for a job that started last month, including flying him out to(...)

One significant oil discovery off the Irish coast may be “enough” to supply all of the country’s oil needs and more, according to Irish exploration fi(...)

ExxonMobil says it does not envisage a low-carbon scenario of the kind many climate researchers advocate. The company believes the costs this would entail, and “the damaging impact to accessible, reliable and affordable energy resulting from the policy changes . . . are beyond those that societies, especially the world’s poorest and most vulnerable, would be willing to bear”. Photograph: Andrey Rudakov/Bloomberg

How much of the world’s fossil fuel reserves will eventually be burnt? This is not just a question for those concerned with climate policy. It is a(...)

Tullow Oil has sold its majority stakes in two UK North Sea gas fields for $75.6 million (£45 million) plus royalty payments on future developm(...)

The Suncor oil sands extraction facility near the town of Fort McMurray in Alberta, Canada. Photograph: Mark Ralston/AFP

At a time of Russian sabre-rattling and with the Middle East in turmoil, a welcome geopolitical treble win could be on the cards. The United St(...)

Shell said it would postpone the project to provide subsea compression at Ormen Lange, Norway’s second-biggest gas field, because costs have soared and the technology is uncertain. Photograph: Simon Dawson/Bloomberg

Royal Dutch Shell has dropped an innovative project to provide compression for a major Norwegian gas field without the need for a platform, dea(...)