Transpower reported a higher first-half profit as the state-owned company saw a rise in transmission revenue.

Summerset Group boosted annual earnings 50 per cent after opening more retirement villages.

Air NZ posted a 24 per cent fall in first-half profit in the face of increasing competition.

Analyst estimates one-off loss on large building project cost company $30 million.

Disappointment has been expressed about Fletcher Building's half-year result, largely due to the performance of its construction division.

TVNZ posted a 6.2 per cent decline in first-half earnings as advertising revenue fell faster than operating costs.

Vocus' New Zealand earnings soared in the latter half of 2016 as the ASX-listed telco benefited from the addition of CallPlus.

Countdown posted a 4.5 per cent drop in first-half earnings, but a rise in sales.

Fairfax Media says its New Zealand unit's revenue and earnings fell in the first half on the back of ongoing weakness in print advertising revenue.

Sky TV's subscriber numbers fell 5.2 per cent and profit plunged 32 per cent in the six months ended December 31.

Caltex Australia has reported a 17 per cent jump in annual profit despite revenue dropping.

Mercury NZ increased first-half profit 53 per cent, bolstered by favourable North Island hydro conditions and lifted its full year guidance.

Nib New Zealand is part of one of Australia's largest health insurers, which today reported a 43 per cent lift in underlying operating profit.

A cost reduction drive, higher global steel prices, and synergies have seen a strong return to operating profit.

Freightways posted a 22 per cent gain in first-half profit, driven by growth in its express package & business mail division.

Chorus beat first-half profit expectations and raised its forecast for annual earnings, even as connection numbers fell.

ANZ New Zealand boosted first-quarter earnings 18 per cent, benefiting from cost-cutting and smaller hedging losses.

Steel & Tube Holdings was hurt by a decline in non-residential construction, but expects things to pick up in the second half.

Property For Industry reported a record full year profit on higher revenues and lower costs.

Contact Energy posted a 12 per cent gain in first-half underlying profit and trimmed capital expenditure in the face of weaker sales.