Nan Nan Resources Enterprise (HKG:1229) reported an attributable loss of HK$7 million for the year ended March 31, compared with a profit of HK$72.6 million a year prior, according to a Tuesday Hong Kong bourse filing.
Shares of the coal miner were down nearly 1% in Wednesday afternoon trading.
Loss per share was HK$0.0091, compared with earnings per share of HK$0.0355 in the previous fiscal year.
Revenue jumped 19% year over year to HK$388 million from HK$327 million.