The world's two biggest smartphone makers head to court in California for one of the biggest patent trials to date.

Lady Gaga and her management company are being sued by the makers of Bratz toys, over "deliberate" delays to a doll in the pop star's image.

Hong-Kong based China Rongsheng Heavy, tries to calm investors after a separate company controlled by its chairman is implicated in an insider trading scandal.

A massive power cut has caused disruption across northern India, including in the capital, Delhi, affecting more than 300 million people.

Industrial production in Japan unexpectedly falls for the third consecutive month, reinforcing fears that the country's economy is losing steam.

Low-frills airline Ryanair reports a sharp drop in quarterly profits as a result of "significantly" higher fuel costs.

Europe's biggest airline Air France-KLM reports a 895m-euro second quarter loss as it is hit by redundancy payouts from cost-cutting measures.

Figures show Spain's recession deepened in the second quarter of the year as euro leaders call for action to lower the country's borrowing costs.