Consumer products giant Reckitt Benckiser (RB) announced after hours on Wednesday that it was no longer in talks with Merck to buy the US pharmaceutical company's consumer health business.The FTSE 100 company said: "Further to the announcement of April 28th, that RB was in discussions with Merck, RB now confirms that it is no longer in active discussion regarding an offer for Merck's consumer health business."OH