Apple has set 12 September as its most important day of the year when the world’s most valuable public company will unveil the next iPhones.

MTN Group shares plunged more than 22% on Thursday morning after reports emerged that the Nigerian central bank has ordered four banks to refund more than $8-billion “illegally expatriated” by the telecommunications provider.

Struggling power utility Eskom is expected to submit an application to energy regulator Nersa for an average tariff increase of 15%/year for the next three years.

MTN Group’s unit in Ghana raised 1.1-billion cedis (R3.5-billion) selling about a third of the shares the wireless carrier made available in an initial public offering.

MTN Group has hit out at the Central Bank of Nigeria over a demand to refund more than $8-billion allegedly illegally expatriated from the country over an eight-year period.

Dyson, best known for its vacuum cleaners and hand dryers, is charging ahead with a £2-billion push to start building electric cars, unveiling plans to turn a former airfield into a vehicle testing site.

Amazon.com headed for its biggest gain in four months, pulling within US$26-billion of becoming America’s second trillion-dollar company, after Morgan Stanley said sales growth remains strong.

Apple has acquired Akonia Holographics, a six-year-old maker of displays for augmented reality glasses, as the iPhone maker explores a foray into the burgeoning field.

Eran Eyal, a South African-educated technology entrepreneur who now lives in the US, is facing criminal charges in the New York for allegedly stealing more than $600 000 from investors.

Nigeria ordered four banks including Citigroup and Standard Chartered to refund more than $8-billion it says was illegally expatriated by MTN Group over eight years through to 2015.