Fresnillo warns of 'more challenging' 2019

Fresnillo said on Tuesday the current year would be more challenging than 2018 as a number of industry variables were "working against" the precious metals miner. The company, which posted a 15% drop in first-quarter silver production last month, said it was "disappointed" not to meet its long-term silver output target and that it was taking action to address this "in a number of ways".