Why Is Corteva $CTVA Stock Down -81.88% Today? (Find out why any stock moved today on Tickeron.) • Corteva $CTVA shares dropped 81.88% to roughly $14.07 from a prior-session close of $77.65. • The move reflects the completion of the spin-off of its seed and genetics business into Vylor Inc. (VYLR), not a destruction of shareholder value. • Shareholders of record as of Sept. 24 received one VYLR share for each CTVA share held, transferring seed-related equity value out of Corteva's quote. • Corteva now operates as a pure-play global crop protection company, while Vylor began regular-way NYSE trading on Oct. 1. • A last-minute legal challenge by California was denied in court, clearing the final hurdle to the separation. • Traders are watching how the two newly independent companies settle into their respective post-spin valuations. $FMC $NTR $CF $MOS $SMG $IPI $UAN $BIOX