Factory conditions in China unexpectedly worsen for the 14th straight month raising fears that the rally on commodity markets in 2016 was losing steam.
The company's shares have almost tripled this year, making it the best-performing global miner amid the rebound in commodity prices and a projected fivefold improvement in earnings.
EPA staff either set out to block the controversial Pebble mine by colluding with anti-mining activists, or proposed scientifically appropriate restrictions protecting southwestern Alaska from the proposal for North America's largest open-pit mine.
Top global producer sees surplus this year and next as mines pump out more metal and predicts decline in copper price from today's levels through 2017.
