Update 5/31/08: The yields have fallen again. The new yield is 3.80% APY for 6 to 12-month terms.
Update 5/24/08: The 6-to-12 month CD yield has fallen from 4% to 3.90% APY.
St. Louis Bank is offering a special certificate of deposit with a yield of 4.00% APY on terms of 6 to 12 months. The minimum deposit is $10,000, and funds must be new to the bank. The CD special that I reported on in April is still available. That has a yield of 3.60% APY and is available for terms of 3 to 5 months. These CDs are listed in the bank's rate table.
St. Louis Bank's main location is in Town and Country, Missouri. The bank has been FDIC insured since 2005 (FDIC Certificate # 58018).