Chappy Hakim, chief executive of miner Freeport-McMoran's Indonesian unit, has resigned.
Asia markets traded broadly lower on Friday as Samsung shares were closely watched by investors after Jay Y. Lee's arrest.
Daryl Guppy, CEO of Guppytraders.com, analyzes the charts of the South African rand, the Canadian dollar and BHP Billiton stock.
Asia markets finished mixed. The Nikkei climbed 1 percent, while Toshiba shares dropped 8.75 percent amid growing concerns.
Asian markets were mostly lower on Tuesday, as pussyfoot investors look to the Federal Reserve chair's two-day congressional testimony.
A strike that has shut down operations at a northern Chilean copper mine Escondida.
Workers at BHP Billiton's Escondida copper mine in Chile, the world's largest, walked off the job on Thursday.
BHP Billiton on Thursday approved its $2.2 billion share of investment for the second phase of the Mad Dog oilfield in the Gulf of Mexico, as expected.
Asian shares were mixed on Thursday following the mild close in U.S. markets, as gold prices trade at three-month highs.
Gains in copper prices are expected to pick up pace as China demand exacerbates supply shortages at large mines, Goldman Sachs said.
BHP Billiton has begun halting operations at its Escondida copper mine in northern Chile.
Asia markets traded mixed Wednesday as energy stocks came under pressure, following lower oil prices.
Copper prices climbed over 1 percent after BHP Billiton said it planned to halt production at the Escondida mine due to a workers strike.
The main union at BHP Billiton's Escondida copper mine said that negotiations mediated by the Chilean government have failed.
Asia markets were trading most higher, following Wall Street's positive lead after S&P 500 hit an all-time high.
Asian stocks were mixed on Tuesday, as the dollar remained soft amid uncertainty over U.S. President Donald Trump's trade policies.
Asia shares traded mixed on Tuesday, with Japanese stocks under pressure from a relatively stronger yen.
Samsung shares slumped on Monday after news that a South Korean special prosecutor will seek an arrest warrant for the Samsung Group chief.
European shares open mixed Wednesday as trading resumes after the Christmas break.
Asian shares were mixed on Wednesday, with South Korea's shares dropping as its political scandal grew and Toshiba plunges 20 percent.