After being in business for only three years, the company reported net income of $342,633 on sales of $5.5 million for its September quarter.

In the September quarter it reported a loss of $43 million.

There was also a 27pc increase in copper volumes from the September 2011 quarter.

A slow recovery from recession began around the September quarter in 1991, though unemployment continued to rise until late 1992.

Microsoft has presented an alternative income statement, both for the September quarter and for the most recent 12 months.

With Microsoft, analysts pay particular attention to deferred revenue, which increased about $130 million from the September quarter to $4.26 billion.

This was in contrast to the September quarter, which showed a decline from the June quarter.

It was Delta's first loss in a September quarter since 1982.

Android dwarfs them both, with 55m activations in the September quarter.

"The company remains cautious entering the traditional low-volume September quarter."