Why Is Ingevity Corporation (NGVT) Down 13.3% Since Last Earnings Report?Zacks Investment Research • 05/31/19
Ingevity Corporation (NGVT) CEO Michael Wilson on Q1 2019 Results - Earnings Call TranscriptSeeking Alpha • 05/03/19
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Will Ingevity Corporation (NGVT) Beat Estimates Again in Its Next Earnings Report?Zacks Investment Research • 04/09/19