Disappointing results from household products supplier Reckitt Benckiser make it one of the poorest performers on the day. Only hedge fund firm Man Group has fallen further. Reckitt reported a rise in earnings and sales for the first quarter. The firm said operating profits rose by 14% to £461m. Revenues were up 5% to £2bn.Miners Kazakhmys and Vedanta Resources are also heading lower. The interim results from Imperial Tobacco were a bright spot. Despite the impact of recession in many of its main European markets Imperial continued to grow revenues and returned to profit. Revenue in the six months to March 2010 jumped by 8% to £13.4bn, with profits coming in at £974m versus a loss of £184m last time.FTSE 100 - RisersImperial Tobacco Group (IMT) 1,984.00p +1.90%Royal Dutch Shell 'B' (RDSB) 1,935.00p +1.15%Royal Dutch Shell 'A' (RDSA) 2,009.00p +0.98%Prudential (PRU) 550.00p +0.73%3i Group (III) 276.00p +0.36%SEGRO (SGRO) 320.00p +0.34%Centrica (CNA) 313.60p +0.22%Whitbread (WTB) 1,634.00p +0.18%Scottish & Southern Energy (SSE) 1,125.00p +0.09%Invensys (ISYS) 340.10p +0.03%FTSE 100 - FallersMan Group (EMG) 251.40p -4.77%Reckitt Benckiser Group (RB.) 3,487.00p -4.60%Kazakhmys (KAZ) 1,417.00p -4.26%ICAP (IAP) 384.40p -4.04%Royal Bank of Scotland Group (RBS) 56.00p -3.53%Petrofac Ltd. (PFC) 1,158.00p -3.42%Home Retail Group (HOME) 285.10p -3.39%Vedanta Resources (VED) 2,701.00p -3.36%Old Mutual (OML) 115.00p -3.28%Tullow Oil (TLW) 1,184.00p -3.27%