Facebook Inc chief executive Mark Zuckerberg’s fortune took an almost $US16 billion ($NZ23.55 billion) hit, as the social media giant headed for the biggest one-day wipeout in US stock market history.

Air New Zealand has not been asked change how it refers to flights to Taiwan, though other international airlines have bowed to demands from China.

Facebook shares tumbled by more than 20 percent after the social media network’s revenue and user growth fell short of investor expectations.

The amount of money needed by retirees to have a basic lifestyle is growing, but there are signs people are coping.

The banking watchdog has dealt with a 14 percent increase in cases in the past year, with a third of all complaints and inquires dealing with the service offered by banks.

Donald Trump and Jean-Claude Juncker agree to work towards zero tariffs on non-auto industrial goods.

Fairfax Media in Australia has announced plans to merge with Nine Entertainment to create an integrated media giant.

The construction industry is warning there is no end in sight to the high costs that are holding up some building projects.

Federated Farmers is dismayed at a $US12 billion plan to shield American farmers from fallout in a trade war with China.

The collapse of modular housing manufacturer Matrix Homes is being held up as a warning to the rest of the industry.