Bloomberg reported that copper pulled back on Tuesday, on news that Rio Tinto beat analyst estimates, suggesting a solid supply.

As quoted in the market report:

Copper futures for delivery in March lost 0.2 percent to $3.6255 a pound at 11:08 a.m. on the Comex in New York after touching $3.606, the lowest since Dec. 31.

To view the whole Bloomberg report, click here.