Evolution mining EVN.AX was down 1.3%. Global miner BHP Group BHP.AX dropped up to 1.2% in early trade amid a general weakness in the mining sub-index and as the company warned of possible disruptions in Western Australia due to rising COVID-19 cases. Equity markets tumbled on Tuesday as traders braced for the U.S. Federal Reserve to tackle fast-rising inflation by tightening monetary policy.