New York, Aug. 27 (BridgeNews) - In two more pieces of downbeat news, sales of existing homes fell more than expected in July, and a Manpower Inc. (MAN) survey of employers' hiring intentions show weakness in employment in manufacturing has spread to the service sector. Sales of previously occupied houses and apartments fell 3.0% in July to a seasonally adjusted annual rate of 5.17 million, but analysts had expected sales to remain essentially unchanged, slipping to 5.30 million homes from 5.33 million in June.