The NZX-50 had a flat day yesterday, barely halting its downward trend which kicked off on May 13 - just days after the listing of Mighty River Power.

The New Zealand sharemarket is expected to remain volatile over coming weeks as investors take profits amid jitters over the US Federal Reserve turning off its money tap.

Shares in the newly-listed technology firm SLI Systems are up a further 25 per cent today.

Shares in the newest member of the NZX, SLI Systems, have jumped 18.67 per cent from its initial public offer price.

In terms of time spent and where expertise sits, it is rational to leave the running of that business to the board and management, writes Susan Watson.

The US hedge fund manager renowned for shaking up Yahoo! has set his sights on Sony, proposing that the Japanese electronics giant spin off up to 20 per cent of its movie, television and music division

Mighty River Power shares will cost $2.50 each, a price the Government says was hit by Labour and the Green's announcement of a controversial power policy.

Prime Minister John Key spoke to Fran O'Sullivan about Chinese investor interest in New Zealand following his official visit to China.

The controversial Labour-Greens electricity market policy which has knocked 6 per cent off the value of Contact Energy has probably reduced the price the Government will get for Mighty River Power.

An flight attendant claiming she suffered sexual comments from a drunk passenger and bullying by managers has failed in a personal grievance claim against Air NZ.

Nick McDonald on a few things to consider before investing in Mighty River shares.

The past few years have seen some successful floats in New Zealand - notably Summerset, Trade Me and the Fonterra Shareholders' Fund.

Market players are divided over whether a bubble is forming around booming New Zealand tech stocks.