Cramer's lightning round: The case for buying the best-of-breed stock of UnitedHealth By: CNBC.com News July 31, 2018 at 18:53 PM EDT Jim Cramer flies through his take on callers' favorite stocks, including a health care play that's leading its sector. Read More >> Related Stocks: Abbott Laboratories Evolent Health Inc Cl A Com Idexx Laboratories Illumina Inc Trio-Tech International UnitedHealth Group Western Gas Eqty Partners LP Zimmer Holdings