ReneSola reported a negative operating margin of 4.4% during the second quarter, a significant improvement from negative 11.8% the prior quarter. Among major Chinese PV manufacturers, however, only Trina Solar had a worse operating margin during the quarter (at negative 5.4%) to date. 

Yingli, which also reported earnings today, chalked up a negative operating margin of 3.8%, while both Canadian Solar and JinkoSolar were in the black, suggesting a tighter handle on expenses. 

ReneSola’s