New Zealand's benchmark S&P/NZX 50 index advanced 0.45% to close at 12,911 on Monday, notching its third straight session of gains amid positive sentiment spurred by US-EU trade agreement. The pact would set duties of 15% on most EU imports - half the rate initially proposed - as well as hundreds of billions of dollars of investments in American industry. Investors are also keeping a close eye on US-China trade talks later in the day, amid expectations of another 90-day extension to the truce between the world’s two largest economies. On the corporate front, key gainers included index heavyweight Infratil (+2.2%), Auckland International Airport (+1.4%), Fisher & Paykel Healthcare (+0.7%), and a2 Milk (+0.7%).