LAGOS — The value of fixed income securities traded in Nigeria rose 12.1 per cent to N41.07 trillion in September from N36.62 trillion in August. OMO bills accounted for N28.05 trillion. Trading in FGN bonds rose 51.6 per cent to N6.96 trillion, while treasury bills rose 5.2 per cent to N5.99 trillion. The number of trades increased to 11,652 from 9,192.