Samsung Electronics failed to reach a labor agreement, with union threatening an 18‑day strike starting May 21.
Samsung shares fell 2.3% after the news, while rival SK Hynix dropped 2.4% on the same day.
Union demands 15% of operating profit as performance bonuses, removal of payout caps and guaranteed compensation structures.
Samsung posted record Q1 2026 operating profit of 57.2 trillion KRW (~$41.6 bn), a 753% YoY increase.