The biggest risers on the FTSE 100 were Magnum Ice Cream, up 42.0p at 1,123.0p, Scottish Mortgage Investment Trust, up 40.5p at 1,140.0p, Berkeley Group, up 116.0pence, at 3,696.0p, HSBC Holdings, up 34.2p at 1,102.2p, and British American Tobacco, up 96.0p at 4,399.0p.