Haein up 30.0% today

Closed at ₩10,450 (+30.0%) on Oct 21, 2026. What we found that may explain it: • Filing: Major sales or supply contract What the trading data shows: • Trading value was 6.3× its 20-day average. • Foreign investors sold a net ₩3.3B. • Institutions sold a net ₩34M.