Singapore’s second largest wireless operator MobileOne (M1) has warned that its profit margin could fall in the fourth quarter due to higher investment in 3G technology. In the third quarter – ended 30 September 2004 – M1 reported a net profit of SGD37.2 million, up 3.6% year-on-year, and a revenue of SGD187.5 million (SGD177.3 million). At the end of the quarter the company claimed 1.1 million customers, giving it a market share of 30.6%.