In other news:
Apple holding more cash than USA
Apple now has more cash to spend than the United States government.
Latest figures from the US Treasury Department show that the country has an operating cash balance of $73.7bn (£45.3bn).
Apple's most recent financial results put its reserves at $76.4bn.
The US House of Representatives is due to vote on a bill to raise the country's debt ceiling, allowing it to borrow more money to cover spending commitments.
If it fails to extend the current limit of $14.3 trillion dollars, the federal government could find itself struggling to make payments, and risks the loss of its AAA credit rating.
The United States is currently spending around $200bn more than it collects in revenue every month.