New Zealand shares fell as investors assessed the potential threat to power company earnings from a Labour Party-Green Party plan to overhaul the electricity sector if elected.
Contact Energy, TrustPower, Infratil and Vector all declined.
The NZX 50 fell 36.17 points, or 0.8 per cent, to 4442.1. Within the index, 38 stocks fell, nine rose and three were unchanged. Turnover was $127 million.
Contact, the biggest power company on the exchange, tumbled 4.6 per cent to $5.46. TrustPower declined 3.1 per cent to $7.56 while its 50.7 per cent owner, Infratil, fell 2.3 per cent to $2.33. Lines company Vector dropped 2.4 per cent to $2.88.