The initial set of results for the December 2018 quarter shows a sustained double-digit sales growth but a deceleration in net profit growth. A common sample of 65 companies that declared results in each of the 13 quarters to December 2018 reported 39.5 per cent sales growth, much faster than the 15.5 per cent growth in the corresponding quarter of the previous fiscal. Net profit grew slower at 8.9 per cent compared with the 17 per cent growth by similar comparison.