The turmoil is the latest example of acute supply stress in global metals markets, and represents the third time in 12 months that the LME has stepped in to increase monitoring.
Gold is holding above $1,800 an ounce after dropping for the first time in three years in 2021 as investors started to price in tighter monetary policy.
Gustavo Petro is calling on ideological allies across Latin America and the world to join him in forming a new bloc to lead the economy away from fossil fuels.
Indonesia has played a key role in global markets as a bulk materials supplier, but President Joko Widodo has pledged to eventually stop exports of all raw commodities to turn the country into a major manufacturing hub for electric transportation.