.START 

Mitsui Mining & Smelting Co. posted a 62% rise in pretax profit to 5.276 billion yen ($36.9 million) in its fiscal first half ended Sept. 30 compared with 3.253 billion yen a year earlier. 

Net income more than tripled to 4.898 billion yen from 1.457 billion yen a year earlier. 

