Quest diagnostics reports fourth quarter and full year 2021 financial results; provides guidance for full year 2022; increases quarterly dividend 6.5% to $0.66 per share

Secaucus, n.j., feb. 3, 2022 /prnewswire/ -- quest diagnostics incorporated (nyse: dgx), the world's leading provider of diagnostic information services, announced today financial results for the fourth quarter and full year ended december 31, 2021.

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