Australian gold producer and explorer Regis Resources has increased its production guidance for the 2017 financial year to between 305 000 oz and 330 000 oz, after a strong operational performance in 2016. The company produced 78 741 oz in the three months ended June, from its Duketon gold mine, in Western Australia, taking 2016 full-year production to 305 084 oz, which exceeded the upper-end of its guidance of between 275 000 oz and 305 000 oz.