Nov. 18 (Bloomberg) -- Zenith Bank Plc, Nigeria’s second- biggest lender by market value, declined the most in six weeks, and headed to the lowest in a month.

The stock lost 55 kobo, or 4.5 percent, the biggest intraday fall since Oct. 7, to 11.70 naira, and traded at 12.10 naira by 12:59 p.m. in Lagos, according to Bloomberg data. A close at this price will be its lowest since Oct. 17.

--Editors: Peter Branton, Ash Kumar

To contact the reporter on this story: Vincent Nwanma in Lagos at vnwanma@bloomberg.net

To contact the editor responsible for this story: Antony Sguazzin at asguazzin@bloomberg.net