The biggest risers on the FTSE 100 were Polar Capital Technology Trust, up 27.5p at 713.0p, Babcock International, up 30.8p at 951.8p, Scottish Mortgage Investment Trust, up 45.5p at 1,470.5p, Melrose Industries, up 12.9p at 474.9p and St James’s Place, up 30.5p at 1,211.5p.