Beijing YanDong MicroElectronic (SHA:688172) posted a first-half attributable net loss of 434.6 million yuan, versus a profit of 127.6 million yuan the previous year.
Loss per share stood at 0.30 yuan, compared with earnings per share of 0.11 yuan, according to a Tuesday filing with the Shanghai bourse.
Operating revenue rose 48.5% year over year to 978.5 million yuan from 658.9 million yuan.
Shares of the integrated circuit manufacturer fell 4% in recent trade.