The New Zealand share market was down 14 points, or 0.43%, to 3150 at the close of trade on Monday. Turnover was $34 million.
Fletcher Building was down 4 cents to $7.90 per share, Telecom was 1c lower at $2.37, while Contact Energy was unchanged at $5.80.
Fisher & Paykel Healthcare fell 4c to $3.35.
Sky City Entertainment was down 5c to $3.25, Sky Television Network fell 10c to $4.70 and Air New Zealand was unchanged at $1.29.
Hallenstein Glasson rose 10c to $3.70 following a half-year profit upgrade and higher dividend payout on Friday. The Warehouse was up 1c to $3.86.
The NZX50 index fell 2% in January.
Nuplex was the best performing stock during the month, climbing by 11%. It was followed by Hallenstein Glasson, PGG Wrightson and Air New Zealand.
Pan Pacific Petroleum was the worst performer, falling by more than 17%, followed by New Zealand Oil & Gas, The Warehouse and AMP.
Most other international indices ended January on a disappointing note. The Dow Jones fell 3.5%, the FTSE in London fell 4.1% and the ASX 200 fell 6.2%.