J-Star soars 85% during regular trading on Nasdaq compliance hearing newsUS Stock Market UpdateJun 17, 2026 at 10:29 AMJ-Star(YMAT.US) 盘中涨85.08%,现报0.7144 美元。公司因股价低于 1 美元收到纳斯达克退市通知,已申请听证会争取合规时间。