FTSE 100 gains led by miners and banks London's main equities market rose on Thursday after three sessions of losses, with miners and financials delivering most weight to the upside. The FTSE 100 was 0.6 per cent higher in early trade at 6,429.60, a rise of 39 points. Gains were broad-based as the mood improved, with only seven of the FTSE 100"s constituents failing to rise. The benchmark index was led by engineer IMI after it reported well-received half-year numbers. First-half profit rose to £170.1m from £168.3m in the same period last year, while margins rose to 15.2 per cent from 14 per cent. The fluid control specialist said it expected better trading conditions in the remainder of the year. Shares were up 3.7 per cent at £14.62. At sector level, banks and resource stocks drove the gains. Among them, Glencore Xstrata gained 2.1 per cent to 311.1p, while Royal Bank of Scotland was up 1.9 per cent at 340.6p. Building materials group Wolseley was also prominent on the main index, up 2.6 per cent to £32.77 after UBS raised its rating on the stock to buy from neutral.