The shares of Australia's largest wealth manager dropped 7.8 percent, while those of the big four banks also closed lower.
The company, which posted a 97 percent fall in its full year statutory profit, has lost more than half its market capitalisation in the past 12 months.
New Zealand's benchmark S&P/NZX 50 index dipped 0.5 percent or 48.46 points, snapping six straight sessions of gains, to finish the session at 9,284.92.