High copper prices suppress Shanghai spot copper trades, making transactions difficult.

Overnight Copper Prices Edged Up, Bears Reduced Positions, Sluggish Trading after Contract Rollover, Spot Premiums under Pressure [SMM Copper Morning Meeting Minutes]

Copper Cathode Rod Enterprises See Operating Rate Drop to 67.55% in May, Down 3.64% MoM

Silver's technical rebound continues, spot premiums stable and trading weak [SMM Daily Review]

Surge Copper Releases PFS for Berg Project, Post-Tax NPV Increases to C$4.6 Billion