By Roger Cheng
Activity around Solarfun Power Holdings Co. options contracts jumped after the Chinese company said it would sell a large stake to Good Energies Inc., a renewable-energy investor.
The manufacturer of silicon ingots and photovoltaic cells, which are components used in devices that run on solar power, said it would sell 66.7 million ordinary shares and 281,011 American-depositary receipts to Good, raising Good's stake to ...