"The story they articulate hasn't really changed for a long time, but from an investor's point of view, what has changed a little bit is they've started talking about not needing to raise any more capital, generating enough cash to sustain their growth, and he reiterated those comments last week, which has probably been a big driver," Dravitzki said.
Trade Me Group rose 3.1 per cent to $5.39, and has advanced 25.5 per cent this year.
"That's had a really strong run over the last couple of weeks. It's probably a reflection of people starting to factor in the underlying business actually growing its earnings for the first time in some time as its costs growth winds down. If that continues that will generate some material earnings growth," Dravitzki said.
Genesis Energy gained 3 per cent to $2.22 while Chorus rose 2.3 per cent to $4.45.
Kathmandu Holdings advanced 2.9 per cent to $1.80. At the end of June, the outdoor equipment chain raised its forecast for annual earnings as it boosts margins from new products, better management of promotional activity and cost savings. The shares have gained 35 per cent since then.
"People have gone through their numbers and decided that actually they were too cheap," Dravitzki said. "The market was concerned because the weather was very warm, there were concerns they were going to have a bad winter because of that, but ever since that upgrade it's kept on climbing higher."
Z Energy gained 1.4 per cent to $8.52. The company has warned investors that it expects earnings to be $5 million lower due to Caltex's deal with AA Smartfuel.
In a statement published to the NZX this afternoon, Z said that after it had completed due diligence but before the sale was completed, Caltex renewed its AA Smartfuel contract.
Details of the contract aren't being disclosed, but it will hit profit between calendar 2015 and 2016.
A2 Milk Co was the worst performer, down 1 per cent to $1.99, while Investore Property dropped 0.6 per cent to $1.66.
Outside the main index, Augusta Capital rose 0.9 per cent to $1.12. Shareholders overwhelmingly backed the sale of its Finance Centre properties in central Auckland for $96 million at a special meeting to consider the deal.