Copper prices are down 3.4% to $3.11 a pound.
Copper prices had picked up earlier this week but are down now. Remember, copper is considered an important gauge of economic health.
Precious metals are down too. Gold is down 1.6% and silver is down 3.6% after a better-than-expected jobs report.
Here's a look at sharp tumble in copper prices today:
Fin Viz