A new study by the Centre for Competition, Regulation and Economic Development (CCRED) has revealed a worrying low-investment trend among large JSE-listed firms. The research shows the largest 50 companies listed on the JSE expanded their financial reserves to R1.4-trillion by the end of 2016, contradicting arguments that investment in South Africa was being undermined by a lack of savings. Tsepiso Makwetla spoke to Thando Vilakazi, senior economist at the Centre for Competition, Regulation and Economic Development