MedAssets Inc. (MDAS:US) fell 5.9 percent to $18.75 and slumped as much as 8.7 percent, the most intraday since April 30. The Alpharetta, Georgia-based provider of technology-enabled products and services for hospitals and health systems said its 2010 cash earnings per share excluding some costs will be 96 cents at most, less than the average analyst estimate of $1.00, according to Bloomberg data.