SECAUCUS, N.J., Dec. 21, 2023 /PRNewswire/ -- Quest Diagnostics Incorporated (NYSE: DGX), the nation's leading provider of diagnostic information services, announced that Jim Davis, Chairman, CEO and President, and Sam Samad, Executive Vice President and Chief Financial Officer, will speak on the company's strategy, performance, and the latest market developments and trends during a fireside chat at the 42nd Annual J.P. Morgan Healthcare Conference in San Francisco on Tuesday, January 9, 2024, at 6:45 p.m. ...