China Suxuantang Pharma plunges 27% as premarket gains reverseUS Stock Market UpdateJul 22, 2026 at 08:41 AM中国苏轩堂药业(SXTC.US)盘中跌超27%,现报1.95美元。消息面,该股盘前曾涨超57%,但盘中走势逆转,出现大幅下跌。