The FTSE 100 fell on Thursday despite well-received figures from WPP and Diageo.
The index closed down 20.41 points, 0.2%, at 10,867.89. The FTSE 250 ended up 62.79 points, 0.3%, at 24,695.42, a record close, while the AIM All-Share closed up 5.35 points, 0.7%, at 787.13.