Why Is Circle (CRCL) Stock Down Today? Compass Point Downgrade and $285M Drift Protocol Exploit Trigger 10% Slide

Circle Internet Group (CRCL) shares plunged on April 9, 2026, closing down 9.89% at $85.10. The sharp decline effectively wiped out much of the stock's year-to-date gains, ending a period of relative stability. The primary drivers are a double-hit of a Wall Street rating downgrade citing margin cannibalization and the fallout from a massive exploit on the Solana-based Drift Protocol, which has renewed fears regarding the stability and oversight of decentralized finance (DeFi) ecosystems.