The New Zealand Superannuation Fund says it has reviewed its shareholding in Israel Chemicals - a manufacturer of a controversial product called white phosphorus - and will not remove the company from its portfolio.
Labour defence spokesman David Shearer told Fairfax this month that fund should "immediately divest" its holding in the Tel Aviv-based firm.
White phosphorus has reportedly been used in a number of recent conflicts as a smokescreen and causes severe burns when it comes into contact with people.
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But the Super Fund, which has a $900,000 "passive investment" in Israel Chemicals, said white phosphorus had "many beneficial uses".