The Naira yesterday weakened in the parallel market, dropping to N1,555 per dollar from N1,550 on Monday. However, it gained strength in the Nigerian Foreign Exchange Market (NFEM), appreciating to N1,534.5 per dollar. According to data released by the Central Bank of Nigeria (CBN), the official exchange rate edged down to N1,534.5 per dollar from N1,534.8 on Monday, reflecting a 30 kobo appreciation. As a result, the gap between the parallel market and NFEM rates widened to N20.5 per dollar, compared to N15.2 per dollar on Monday.