Ero Copper Corp. (ERO) shares rallied 5.2% in the last trading session to close at $23.11. This move can be attributable to notable volume with a higher number of shares being traded than in a typical session. This compares to the stock's 4% gain over the past four weeks. Ero Copper's share price has gained on the back of the surge in copper and gold prices. Copper futures for December delivery increased 3.33% in a day, closing at $4.64 per pound on Thursday as China implemented various stimulus measures to ...