New Zealand shares finished weaker on Monday , the benchmark Top 50 Index falling 19 points to 5091.
An investment advisor at Forsyth Barr, Anthony Tuck, said weakness on Wall Street on Friday didn't help the local market.
Shares in Summerset fell 12 cents to $2.99. They have fallen more than 20 percent from late January.
Gentrack shares fell another 3 cents to $2.21 after plunging more than 13 percent on Friday.
Among other recently listed tech stocks, GPS shares eased 4 cents to 95 cents while Serko shares dipped 2 cents to 92 cents.
The New Zealand dollar was mixed against the currencies of the country's major trading partners.
The director of Rankin Treasury Advisory, Derek Rankin, said the dollar had been trading in a narrow range and was expected to see quiet trading overnight.
At the end of the local business day, the kiwi was trading at 85.09 US cents, 91.3 Australian cents, 50.59 British pence, point-6339 euro, 87.37 yen and 5.26 renminbi.