JSE-listed African Rainbow Capital (ARC) Investments says that, despite an unfavourable macroeconomic environment for the quarter ended March 31, several portfolio companies have demonstrated resilience, and it remains committed to identifying promising investment opportunities In an update on strategic matters and a performance overview of the significant investments in the ARC Fund for the period, including major developments to the end of April, the company says that significant challenges, including elevated interest rates, high unemployment levels and pressure on disposable incomes, persisted.