(Corrects duration in first paragraph.)
Feb. 1 (Bloomberg) -- United Bank for Africa Plc of Nigeria headed for its lowest close in more than eight years.
The stock declined 5 percent to 1.9 naira by 11:38 a.m. in Lagos. A close at this price will be its lowest since Oct. 17, 2003.
--Editors: Dulue Mbachu, Karl Maier
To contact the reporter on this story: Vincent Nwanma in Lagos at firstname.lastname@example.org
To contact the editor responsible for this story: Dulue Mbachu at email@example.com