Hunnu buys controlling stake in Mongolia Coal JV from Rio Tinto

"While a large number of countries around the world continue to talk about securing raw material supply, China is actually doing something about it."

Solar capacity around the world was rolled out at a record pace, as bargain panel prices helped countries deploy cleaner energy.

CFIUS said on Monday that allowing Nippon Steel to take over US Steel could result in lower domestic steel production.

Rival Young Poong and private equity firm MBK Partners have been trying to take over the world's biggest zinc refiner.