Prairie Operating Co.（纳斯达克：PROP）董事Richard N. Frommer于2026年5月19日买入该公司普通股75,500股，交易总金额为$65,685。
SEOUL, April 30 (Xinhua) -- South Korea's tech giant Samsung Electronics posted its record-high operating profit in the first quarter, thanks to strong semiconductor demand, the company said Thursday.
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