SAN FRANCISCO--( BUSINESS WIRE )-- McKesson Corporation (NYSE:MCK) will release financial results for its second fiscal quarter ended September 30, 2010 on Tuesday, October 26, 2010, following the market close at approximately 4:00 PM Eastern Time (1:00 PM Pacific Time). The company has scheduled a conference call for 5:00 PM Eastern Time (2:00 PM Pacific Time), during which John Hammergren, chairman and chief executive officer, and Jeff Campbell, executive vice president and chief financial officer, will review these results.