Fortescue Metals Group reported slight rise in fiscal first-quarter iron ore shipments, also warned its ore was selling at a greater discount than expected.
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.
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.