Why Is Viant Technology $DSP Stock Down -15.93% Today? (Find out why any stock moved today on Tickeron.) • Viant Technology $DSP shares tumbled roughly 15.93% in Thursday's session, dropping from a prior close of $12.37 to about $10.40. • The primary catalyst was a secondary offering of 8.5 million Class A shares sold by an existing stockholder, adding fresh supply to the float. • The company receives no proceeds from the transaction, removing the typical "reinvestment" narrative that offsets a capital raise. • The offering landed amid a hostile tape for high-multiple software names, with the 10-year Treasury yield hovering near 5%. • Traders are watching the offering's pricing and whether the added float is absorbed quickly or marks the start of a longer distribution. $XPER $SEMR $EXFY $PUBM $BLKB $SCOR $VTEX