UPDATE 2-Antofagasta expects Chile unrest to dent output, issues dismal 2020 outlook By: Reuters: Company News October 23, 2019 at 05:48 AM EDT * GRAPHIC: https://tmsnrt.rs/2W41Vq3 (Adds analyst comments, background, labour negotiations) Read More >> Related Stocks: American Airlines Gp Bhp Billiton Ltd ADR Teck Cominco Limited