Canada's gold producer GoldCorp Inc. said on Tuesday its all-in sustaining costs are expected to fall further to $800 per ounce in 2018 from $825 per ounce in 2017.
The company's 2017 preliminary gold production of 2.6 million ounces was at the high end of its forecast range.
U.S.-listed shares of the company were up 5.5 per cent at $15.14 premarket, on track to hit a nine-month high when market opens.
(Reporting by Akshara P in Bengaluru; Editing by Anil D'Silva)