The sharemarket has had its strongest session in seven months as investors piled into stocks.
The benchmark NZX-50 closed 238 points or 1.9 percent higher - the biggest daily gain since early January.
Telecommunication company Chorus rose more than 12 percent after a favourable Commerce Commission draft decision on the value of the company's assets.
Leading stocks included Mainfreight, Fisher and Paykel Healthcare, and the major power companies.
The local market is at a six-month high, but still nearly 3 percent lower than the start of the year.
It has been an underperformer compared to other developed countries' markets fuelled by cheap money looking for better returns.