Physical copper is staring into a yawning supply gap and it will take a decade of higher investment (and higher prices to fix). Those prices are coming quickly with copper rising by as much as 10% today before fading. copper dailyAs big of a bull as I am on copper, there are some warning signs here. For one, copper hasn't really run into the supply gap yet; it's just starting to open up. I'd expect copper producers to be hedging into this and locking in some higher prices.