Aclaris stock rallies 53% amid licensing deal, Piper upgrade

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sutthirat sutthisumdang Shares of Aclaris Therapeutics ( NASDAQ: ACRS ) rallied 53% Monday after the company announced it had exclusively licensed two immunology drug candidates from Biosion, prompting an upgrade by Piper Sandler. Early Monday, Aclaris ( ACRS ) said it had entered into an exclusive.