DocuSign Inc (NASDAQ:DOCU) stock is sinking, last seen down 17.1% at $76.99, despite the e-signature company reporting fiscal first-quarter earnings of$0.90 per share on $763.7 million in revenue, exceeding estimates of$0.81 and $747 million, respectively. Billings of$739.6 million missed the $746.2 million consensus, stoking concerns about decelerating demand, while the firm's 2026 billing guidance disappointedDOCU is pacing for its worst single-session drop since March 2023 and has erased its year-to-d ...