Cardinal Health falls on losing contracts with UnitedHealth's OptumRx

** Shares of drug distributor Cardinal Health CAH fall ~6.2% to $101.52, its lowest since Feb. 8

** Co says its pharma distribution contracts with UnitedHealth's UNH OptumRx unit will not be renewed after they expire at the end of June

** Co expects to partially offset impact of losing OptumRx contracts through combination of new customer wins and growth in its specialty pharmacy business

** Analysts at Evercore ISI estimate loss of contracts to affect Cardinal's 2025 profit by 45-50 cents

** Brokerage J.P. Morgan expects it to be a tailwind to drug distributor Mckesson MCK or Cencora COR, which are likely to increase their volume of drug shipments

** OptumRx is a pharmacy benefit manager which acts as intermediary between insurers and drugmakers to negotiate prices of prescription drugs

** Including session's move, stock up ~2% this year