Sanctions on Russia’s second richest man and president of Nornickel, target Vladimir Putin’s inner circle, the UK government said.

Tsingshan Holding Group’s inability to pay its margin calls to its banks and brokers was among the main drivers of a 250% surge in prices in early March.

Hackmanite is considered a natural wonder material that is cheap and easy to synthesize and that has applications in personal UV monitoring and X-ray imaging.