XIAO-I is trading 6.3% lower at $1.78 in after-hours trading amid broader risk-off sentiment, after closing at $1.90 on September 23, 2026. - No fresh company-specific announcement was identified; recent coverage revisited the Shanghai court’s dismissal of XIAO-I’s Siri patent claims against Apple. - Major U.S. indexes fell, Treasury yields rose and technology shares faced pressure. - The move follows several volatile sessions, including declines on September 21 and September 16.