**The naira yesterday weakened to N1,598 per dollar in the parallel market, down from N1,585 per dollar on Monday.** Likewise, it fell to N1,547.5 per dollar in the Nigerian Foreign Exchange Market (NFEM). According to data from the Central Bank of Nigeria (CBN), the official exchange rate climbed to N1,547.5 per dollar from N1,543, reflecting a depreciation of N4.5. As a result, the gap between the parallel market and NFEM rates widened to N50.5 per dollar, up from N26 on Monday.