Prices may be at a 2014 high at current levels, but the longer-term chart shows prices emerging from an 18-month base formation. Resistance has been established at the several- times-tested $3.60 level. The probability of a breakout has increased.

Quarterly momentum has started a tentative uptrend, and has broken out into positive territory. The moving averages are rising. Volume, though low, is relatively higher than it has been for the past 10 months. A successful breakout indicates a target of $4.50. Recall that prices were trading above $5 in 2011 and 2012. Support is at $3.40 to $3.43.