Sono Group ($SSM) Stock Slides -50% Over 30 Days as Strategy Evolves (See the latest news for any ticker on Tickeron.) Sono Group shares have fallen roughly 50% over the trailing 30 days, sliding from a $4.80 close on September 2, 2026, to about $2.39. The decline unwound a brief speculative surge sparked by a non-binding letter of intent to combine with privately held Sports One and enter professional sports ownership. $CYD $FLYE $PSNY $STLA Over the last quarter, the stock has also lost close to 50%, extending a downtrend that has left it down more than 70% over the past 52 weeks.