AA - Alcoa Xerox Holdings among premarket losers' pack April, 21 2022 08:11 AM Alcoa Corporation Xerox Holdings (XRX) -12% on Q1 earnings release. Cortexyme (CRTX) -7%. Navidea Biopharmaceuticals (NAVB) -6%. Aterian (ATER) -6%. Alcoa (AA) -6% on Q1 earnings release. For further details see: Alcoa, Xerox Holdings among premarket losers' pack