SF Diamond rises most since debut after reporting profit gain
SF Diamond Co., a Chinese maker of drill bits and cutting tools, gained the most since its trading debut in Shenzhen more than five months ago after saying first- half profit rose 7 percent from a year earlier.
SF Diamond’s first-half earnings report implies a 53 percent increase in second-quarter net income from a year earlier, compared with a 57 percent decline for profit in the first-three months of the year. The company, based in the city of Zhengzhou in central China’s Henan province, said first- quarter profits fell partly due to one-time expenses associated with its listing.