One could say investors didn't really set the bar too high for Nuplex, although it has always disappointing to have a downgrade. The market wasn't expecting great things from the company anyway."
NZOG fell 4.3 percent to 78 cents after announcing the cost of the US$27 million exploratory oil well offshore Taranaki has risen to US$40 million, largely as a result of the drilling partners being forced to plug and abandon the first well, which encountered technical difficulties at a depth of 1,507 metres.
The well is a partnership between operator AWE (31.25 percent), Pan Pacific Petroleum (50 percent) and New Zealand Oil & Gas, (18.75 percent), with costs of the re-drill to be borne by the partners in proportion to their shareholdings in the prospect.
Pacific Edge climbed 7.1 percent to 91 cents to be the best performer on the day. The Dunedin-based biotech company has declined 35 percent year to date as investors mulled whether its high share price would match its potential earnings growth.
"It looks like a couple of large existing investors were liquidating their holdings. Now that selling pressure has eased, the stock is bouncing back up," Smalley said.
Telecom declined 1.1 percent to $2.685. Ryman Healthcare slipped 1.2 percent to $8.37. Fisher & Paykel Healthcare fell 0.9 percent to $4.67.
Fletcher Building rose 1 percent to $9.24. Sky Network Television advanced 0.5 percent to $6.65.
Outside the benchmark index, Burger Fuel Worldwide slipped 0.4 percent to $2.51. The burger chain said full-year sales rose 20 percent to $14.4 million while profit dropped 63 percent to $401,000 as the company chased growth, expanding its stores in Australia, New Zealand and the Middle East.
"The market will probably continue to give them quite a bit of leeway results versus share price while they're in this growth stage, but sooner or later investors will want to see some bottom line earnings," Smalley said.
Outside the bourse, Serko, the online business travel booking company, said it had closed the retail portion of its share offer nine days early and may scale back public share requests after strong investor demand.
It expects to list on the main board of the NZX on June 24, and will allocate shares to a mixture of NZX firms, New Zealand and Australian institutions and retail shareholders, but the number of shares that public pool investors receive may be lower than the number requested, it said in a statement.