Hong Kong is the world's most expensive city for expats leapfrogging Angolan capital Luanda in the annual chart compiled by consultancy firm Mercer.

Tate & Lyle Sugars backs Brexit, while entrepreneur James Dyson says staying in the EU is an "act of national self-harm", on the final day of campaigning.

More than 1,280 executives, including directors from 51 FTSE 100 companies, sign a letter backing the UK's membership of the EU.

Electric carmaker Tesla offers to buy solar panel company SolarCity in a bid to expand its clean energy business.

Pollution from many popular diesel cars is much worse when it is colder than 18C outside, new research suggests.

Mitsubishi Motors forecasts a huge net loss for the current business year in the wake of its fuel efficiency scandal.

Department store group Debenhams says it is on track to meet profit forecasts despite a slight fall in sales.

Japanese stocks fall on Wednesday despite gains on the US markets following a testimony by Federal Reserve chair Janet Yellen.