Technology giant Apple plans a share buyback after it reports profits of $10.2bn, selling a more than 43 million iPhones in the second quarter of 2014.

Troubled online game-maker Zynga reports a loss of $61m, as founder Mark Pincus steps down as chief product officer.

Shares in Qualcomm, one of the world's biggest mobile phone chipmakers, fall 5% in after-hours trading as it issues a weaker than expected growth outlook.

The Scottish government disputes UK government claims about future pension costs in an independent Scotland.

The Labour Party is looking to sever its links with the troubled Co-op Bank, bringing to an end one of the oldest political partnerships in the UK.

South Korea's economy grows more than forecast in the first quarter, helped by a jump in construction and exports.

The Conservatives say they will not subsidise new onshore wind farms if they win the 2015 general election.

AstraZeneca posts a drop in first quarter profits but does not comment on reports that it received a takeover approach from US firm Pfizer.