...A special dividend/share buy-back and/or debt-funded acquisition resulting in FFO-adjusted net leverage of above 2.0x and FFO fixed-charge coverage below 7.0x (FY13: 7.6x) on a sustained basis, could be negative for the ratings. FY15 capex will increase to SGD3.2bn (FY14: 2.4bn) before reducing to SGD2bn during FY16-17. SingTel will spend SGD2.3bn to strengthen its 4G coverage in Australia and Singapore, invest in a subsea cable and will pay SGD900m for spectrum....