NEW YORK (MarketWatch) -- Energy stocks moved into positive territory Friday after losing ground in the previous session. Oil service firm Cameron International CAM +1.27% rose 1.4%, while Nabors Industries NBR +0.59% and National Oilwell Varco NOV +0.67% gained 0.9%. Drill-bit maker Baker Hughes BHI +1.09% moved up 0.8%, along with a 0.6% increase by Halliburton Co. HAL +1.12% . On the down side, First Solar Inc. FSLR -2.45% dropped 2.2%.
