Nigeria, Feb. 21 -- Nigerian treasury bill yield touched its lowest point in over a year at an auction on Wednesday, when the central bank set out to raise N700 billion, stretching further a deceleration trend that began in November after yields peaked in at least nine months.

The long-dated debt sold at a weaker rate of 18.4 per cent, compared to the previous auction when it did so at 20 per cent.

The lower rate came in tandem with a weaker annual inflation figure seen on Tuesday, when Nigeria's rebased data set consumer price levels for January 10.3 per cent below the previous month's figure.

Investors were willing to buy as much as N2.3 trillion worth of the bill, but the government settled for only N704.4 billion at the end of trad...