The leu closed at 4.333/4.335 to the euro, compared to 4.304/4.306 to the euro at previous closing.
This morning, the leu opened at 4.307/4.31 to the euro.
Mid-session, the leu fell against the euro Friday, in the last trading day of 2011, and the central bank set the refrence rate at 4.3197 units, 0.5% weaker on the day.
On the money market, overnight rates inched up to 4.03%-4.53% a year, from 3.97%-4.47% a year previously.