Chart: Can't get worse for copper, so buy it

Copper wire. The commodity was trading at five-year lows Wednesday.
Muriel de Seze | Photodisc | Getty Images

Copper prices are slogging along at 2009 financial crisis levels—a surefire sign to some strategists that something's got to change.

As markets head into the third quarter, the strategists say that may be the timing for an about-face for copper, though there are still headwinds.