Five NZ wineries have joined forces to target the United States market, with plans for exports to hit nearly one million bottles within five years.

New Zealand's terms of trade - the amount of imports that can be funded by a fixed quantity of exports - fell in the third quarter, driven by falling prices for primary sector exports and a strong kiwi dollar.

Tait Radio Communications said it had completed a $19 million contract to provide a new radio communications network for one of the world's biggest urban transport systems - the London bus network.

Methven, the tapware and bath fittings maker, posted a 25 per cent slump in first-half profit, blaming a sharp downturn in Australian activity.

F & P & Appliances shares have plunged after the whiteware maker slashed net profit to $980,000 in the six months to September 30.

Cerebos' $71.6 million bid to buy Comvita undervalues the local honey maker by as much as 38 per cent, according to the independent adviser's report.

Solid Energy has announced plans for a new underground and open-cast coal mine employing up to 150 people on the South Island's West Coast.

Average prices of dairy products resumed their slide in Fonterra's latest auction, the ninth decline in the past 10 sales and the first since the company cut its forecast 2012 payout.