Egypt's central bank sold more treasury bills than it originally offered at an auction on Sunday and yields continued to inch down, the Finance Ministry said on its website. The bank sold LE4.5 billion of 266-day T-bills instead of the LE3.5 billion it had offered. The average yield edged down to 15.841 per cent from 15.91 per cent at the last issue on 28 February. The central bank sells the bills on behalf of the Finance Ministry.