Some of NZ's largest discount retailers are not signing up to a legally binding initiative offering financial aid for building and fire safety after the Bangladesh disaster.

Lovers of yoghurt, chocolate and steak would have seen their grocery bills increase last month.

Retail spending rebounded last month from an Easter-related dip in March.

Warehouse Group has announced plans to lift staff wages and create a better-trained workforce, with rewards for long-term service.

The introduction of Sony electronics products to The Warehouse is a smart move for the retailer and will help to provide consumers with a reason to shop at its stores, an analyst says.

Z Energy's second full year of operation since its sale to local investors by Shell has produced a 13.1 per cent lift in operating earnings, although sales have fallen.

Stefan Preston, entrepreneur and investor, Ingenio, which has majority shareholdings in companies including www.bachcare and lingerie brand, Rose & Thorne Design. He has had five rounds of doing e-commerce.

Lance Wiggs, director, online electricity retailer, Powerkiwi which sells products on fellow online energy store, Powershop. Powerkiwi came second in last year's Deloitte Fast 50.

Greig Buckley, founder of kai.co.nz, an online business promoting and selling specialist foods from talented artisans around New Zealand.

Daniel King , founder online health product retailer, abouthealth.co.nz.

Online retailing offers a number of opportunities for small businesses.

What are the main trends in online retailing in New Zealand and Australia?

The number of people making online purchases had increased by 11 per cent since 2009.

Vaughan Rowsell, founder of Vend, a cloud-based retail platform for brick and mortar retailers.

More than 100 people entered a Tauranga store to buy the controversial synthetic cannabis Kryptonite yesterday morning.

The number of New Zealanders shopping online has tripled in less than a decade, with entertainment and leisure products the favourite internet purchases.