The trade deficit in New Zealand is contributing to the NZD/USD resuming its downtrend. This means that the New Zealand dollar is weakening against the US dollar. This trend is being influenced by the difference between the value of exports and imports in New Zealand. As the trade deficit widens, it puts pressure on the New Zealand dollar, causing it to depreciate against the US dollar. This economic factor is impacting the forex market and is something to keep an eye on for traders and investors.