It is only the second time Apple had revised its earnings since 2002.

What was behind Apple's first profits warning since 2002?

Its profits warning followed suspiciously hard on the heels of Carillion’s collapse.

Its profits warning followed suspiciously hard on the heels of Carillion's collapse.

Two company directors and the chairman resigned shortly before the second warning, citing differences over commercial strategy.

As a way to conduct better business practices, MELiUS hereby puts forth a disclaimer on income earnings (“Income Disclaimer”).

But on 22 February, the Finnish games maker issued a profit warning that caused its shares to drop by 50%.

In this context, the recent Apple profit warning, partly due to customers replacing their iPhones slightly less frequently, was at least a sign of improvement.

Last month Burberry reported that sales had steadied in the final weeks of its second quarter, reassuring investors after issuing a profit warning in September.

Last month Burberry reported that sales had steadied in the final weeks of its second quarter, reassuring investors after issuing a profit warning in September.

Last month Burberry reported that sales had steadied in the final weeks of its second quarter, reassuring investors after issuing a profit warning in September.

Last month Burberry reported that sales had steadied in the final weeks of its second quarter, reassuring investors after issuing a profit warning in September.

In June 2009 William Hill backed Playtech despite their partner having a quarter of its stock market value wiped out following a profits warning.