The NZX 50 remained steady around 13,512 in Wednesday morning trade, following a slight gain in the previous session.
Trading was thin as the market approached the Christmas holiday, resulting in a day of limited activity.
Despite the shortened trading day, gains in consumer discretionary and energy sectors outweighed declines in consumer staples and IT sectors.
Traders took advantage of the reduced hours, although the lack of significant market drivers kept trading subdued.
New Zealand markets closed early on Christmas Eve and remained closed on December 25 and 26.
Investors adopted a cautious approach after the release of US Q3 GDP data, which exceeded expectations.
This reinforced predictions that the Fed would maintain interest rates in January.
Positive trading on Wall Street contributed to improved market sentiment.
Summerset Group saw a 1.4% rise, Ebos Group and Infratil each experienced a 0.4% gain.
In contrast, A2 Milk and Fisher & Paykel fell by 1.9% and 0.4% respectively.