Evergreen Solar (ESLR) calls are shining after JP Morgan upgraded the stock to Overweight. The firm recommends investors in the solar sector shift to a more defensive stance. In addition to ESLR, JP Morgan upgraded ASTI, SPWRA. Downgraded FSLR. ESLR is up 26 cents to $2.41 and 7,350 calls traded, compared to only 360 puts. July and August 2.5 calls are active. Some ambitious traders appear to be buying Dec 7.5 calls as well.