J-Star (YMAT) soars 89% during regular trading on delisting hearing requestUS Stock Market UpdateJun 17, 2026 at 10:25 AMJ-Star(YMAT.US) 盘中涨88.52%,现报0.7277 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。