Apple Inc. ($AAPL) more than doubled its share of the global handset market last quarter as the iPhone maker posted record shipments, while Nokia Oyi's ($NOK) lead in the industry shrank amid a sales slump, research company IDC said.

Apple increased its market share to 5.6 percent in the second quarter, from 2.6 percent a year earlier, IDC said in an e-mailed statement today.