Why Is HeartSciences ($HSCS) Stock Down -16.51% Today? (Find out why any stock moved today on Tickeron.) HSCS fell roughly 16.5% intraday, sliding to about $3.64 from a prior close of $4.36. The move reflects a "sell-the-news" reversal after the FDA granted 510(k) clearance to the MyoVista wavECG device. The clearance excluded the AI-ECG algorithm, and the company said it has no timeline to commercialize the device. Ongoing uncertainty around the proposed all-stock merger with Fortitude Mining Holdings is weighing on sentiment. $HSDT $PSNL $AEMD $MYO