Recent events in south Asia have led to an unexpected reversal in the narrative of microfinance, long presented as a development success. Despite charges of poor treatment of clients, exaggeration of the impact on the poorest as well as the risks of credit bubbles, the sector can play a non-negligible role in reaching financial services to low-income households. In regulating the sector, there is need for caution in setting interest rate ceilings on micro-loans and for greater openness to micro-savings products.