(RTTNews) - During early North American session on Monday, the NZ dollar weakened to a 4-day low of 1.7668 against the euro at 8:40 am ET. If the NZ dollar weakens further, it may target around the 1.78 level. As of now, the NZ dollar is worth 1.7670 against the euro, compared to last week's close of 1.750.