(Bloomberg) -- China’s leading copper miner raised its output guidance at a time when prices have been rallying toward a record on expected deficits.Most Read from BloombergUS Inflation Data Was Accidentally Released 30 Minutes EarlyWith a BlackRock CEO, $9 Trillion Vanguard Braces for TurbulencePutin and Xi Vow to Step Up Fight to Counter US ‘Containment’Jamie Dimon Sees ‘Lot of Inflationary Forces in Front of Us’Dow Average Touches 40,000 Before Pulling Back: Markets WrapZijin Mining Group Co.