Ecuador holds election closely watched by global miners

Mining companies, including Newmont Mining Corp, Teck Resources and Barrick Gold Corp, reported increased costs this week in their quarterly earnings.

Lacklustre performances by small mining companies on the London Stock Exchange are driving rivals in need of cash to find alternative ways to raise capital.

The wrong coal mix tanks shares in Teck Resources, Canada's largest diversified miner.

Teck expects larger proportion of coal sales in fourth quarter to be non-premium, reducing average realized price to about 85 percent of benchmark prices.

In order to store new quantum data that can be processed by quantum computers, scientists are exploring the possibilities that copper offers.

Among other geopolitical developments, the drop is attributable to investors getting calmer over the news that China's economic policy will see few changes in the near future.

Investors ignore positive third quarter results to focus on lack of meaningful progress in talks with Indonesia over future of giant Grasberg mine.

Despite the quarterly increase in net cash costs Antofagasta said the 2017 costs would be below the $1.30 per pound previously forecast.

"Barrick must be stopped!", a junior miner wrote.