The Naira yesterday strengthened to N1,555 per dollar in the parallel market, up from N1,560 per dollar on Monday. In the Nigerian Foreign Exchange Market (NFEM), the local currency also appreciated to N1,536.8 per dollar. According to data from the Central Bank of Nigeria (CBN), the NFEM exchange rate declined from N1,538.4 per dollar on Monday to N1,536.8, reflecting a N2.2 gain for the Naira. As a result, the gap between the parallel market rate and the NFEM rate narrowed to N18.2 per dollar, compared to N21.6 per dollar at the start of the week.