Reckitt Benckiser ( ISE: RB.L ) The last seven days have seen the shares of Reckitt Benckiser climb 3% to 3,759 pence. The recent buying activity follows the release of strong third-quarter results from the household-brands behemoth on Wednesday. Reckitt said year-to-date growth had been 4% on a like-for-like basis, with a 5% improvement seen during Q3. Reckitt's chief executive, Rakesh Kapoor, said the results were underpinned by an "excellent performance" in emerging markets, plus improvements within the group's European and North American operations. Recent trading was driven largely by the company's well-known Dettol, Harpic, Finish, Gaviscon, Durex, and Vanish product lines. 3. Imperial Tobacco ( ISE: IMT.L ) Ticking up 1% to 2,321 pence, Imperial Tobacco has also been among the FTSE 100's leading gainers since this time last week.