Police have been contacting known 1080 opponents in a bid to find the person behind a threat to contaminate New Zealand's baby formula stocks.

The Warehouse and Foodstuffs are reassuring customers they are doing everything they can to boost security in their stores.

Grocery delivery service My Food Bag isn't ruling out a sharemarket listing after announcing its new chairman, adman Kevin Roberts.

The final chapter in a long-running New Zealand retail battle played out this week when Woolworths offloaded its shares in The Warehouse Group.

Rich-listers David and Anne Norman have snapped up Australian supermarket operator Woolworths' stake in The Warehouse Group.

The operator of Farmers and Whitcoulls has more than doubled its shareholding in The Warehouse but says it will not make a takeover bid for the retailer.

Diligent Board Member Services expects sales growth of up to 19 per cent in 2015 as it attracts customers to its BoardBooks service, and plans to launch a new product this year.

The New Zealand dollar is trading near a record high against the Australian currency but that doesn't necessarily mean bargains for shoppers, a consumer expert says.

ASX listed Scentre Group, with nine Westfield-branded malls in New Zealand, intends to sell four of its big centres here.

Energy Minister Simon Bridges says big petrol retailers are "on notice" after they maintained large profit margins while the price of oil was falling sharply late last year.

FCO - Fishing Camping Outdoors - is to close its 13 New Zealand stores but no word yet on what announcement means for employees.

Market speculation about Rod Duke boosting his stake in struggling children's clothing chain Pumpkin Patch has so far failed to become a reality, writes Christopher Adams.

Contact Energy could be heading for a showdown with minority shareholders over what to do with a $1 billion pot of cash.

Mark Powell says "healthy societies need healthy businesses and healthy businesses need healthy societies".

Hasbro, the maker of foam footballs and spongy projectiles, is targeting a new audience: high schoolers.

If you're like most shoppers, it is likely that you do plenty of research before opening your wallet.

ASX-listed Domino's Pizza Enterprises, parent company of Domino's New Zealand, has reported one of its strongest half-year results to date, with net profit of A$29.1 million, up 44.2 per cent on the same period last year.

Retail spending charged to electronic cards fell 0.4 per cent last month, its third monthly decline in a row, as lower prices at the pump offset increased spending elsewhere.

Creditors of women's clothing chain Shanton Fashion are owed almost $7.8 million, while the company has $3.35 million in assets, a wider shortfall than the $693,000 estimate directors gave when the company went into voluntary administration last month.

Despite the fast changing market, JB Hi-Fi excels at jumping on the next big thing in technology and getting the march on its competitors, writes Christophwer Niesche.

Briscoe Group, which operates the Briscoes, Rebel Sports, and Living & Giving stores, may introduce a customer loyalty programme to stoke growth in online sales.

Services sector activity picked up in December, led by wholesale trade and hospitality.

New Zealand shares rose to a new record close yesterday as holidays in Auckland and Australia kept trading volumes light.