** Household goods maker Reckitt Benckiser down 5.5% after reporting lower than expected Q2 sales and cut of FY revenue target
** Stock among biggest percentage losers on bluechip index
** Expects FY like-for-like sales growth to be between 2% and 3%, down from previous target of 3% to 4%
** Co says Q2 sales hurt by slowdown in demand for infant formula in the United States and China
** Shares, down by more than a fifth from 2017 peaks, now up just over 3% since Jan, trailing FTSE's 17% gain.
(Reporting by Tanishaa Nadkar in Bengaluru)