Barrick’s gold output fell almost 10 percent in 2016

Regulatory approval; share prices soar.

The Mexico-focused miner has seen silver prices drop 35% this year so far, while its shares have fallen about 50%.

Weak gold prices to blame.

CEO Mackenzie said he still aims to add potash as a fifth pillar to BHP's diversified mining operations.

The world’s No. 3 gold producer, will cut about 40% of its management positions and it is cutting capital expenditure in 10 countries.

Growing concerns over the US Federal Reserve cutting back its stimulus program as soon as next month, triggered Wednesday a selloff in world shares and drove precious metals down.

The final goal is to boost production.

Fortescue Metals "disappointed."

Company offered 5% pay hike; union wants 9%.