The benchmark NZX 50 index crept up just 2 points, or 0.07%, to 31.67 on turnover of $260 million at the close of trading on Tuesday, despite a strong showing on Wall Street.
Fletcher Building rose 3 cents to $8.04, Telecom is down 3 cents to $2.49 and Contact Energy up 13 cents to $6.17
Sky City Entertainment Group was unchanged at $3.37, along with The Warehouse at $4.30.
Fisher & Paykel Healthcare rose 1 cent to $3.17, while Nuplex rose 5 cents to $2.63.
Infratil fell 7 cents to $1.53 after selling its near 4% stake in Auckland International Airport, which itself fell 6 cents to $1.87.
Hallenstein Glasson was up 2 cents to $3.13 after its chief executive Roy Dillon said he'll step down next March.
AMP jumped 70 cents to $8.10 after Axa Asia Pacific rejected a takeover bid from the insurer and fund manager on Monday.
Across the Tasman, the Australian 200 index was up 55 points, or 1.1%, to 47.30 in mid-afternoon trading.
In currency markets just after 5pm, the NZ dollar was at 74.04 US cents, 79.90 Australian, 44.20 pence, 66.61 yen and 0.4944 euro. The TWI was 65.94.
The commitment by G20 developed countries to continue with economic stimulus packages fuelled confidence among US investors.
The Dow Jones industrial average jumped 203.52 points, or 2.03%, to 10,226.94.
The Standard & Poor's 500 Index rose 23.78 points, or 2.22%, to 1,093.08.
The Nasdaq Composite Index gained 41.62 points, or 1.97%, to 2,154.06.