Samsung 48,000 workers launch 18-day strike May 21; JPM flags $20.8B profit hit

Samsung union commenced 18-day walkout after negotiation collapse; JPM estimated worst-case operating profit loss of $20.8B amid HBM supply disruption. Daily revenue loss pegged at $700M. PM signaled 30-day emergency arbitration, but union held firm on 50% bonus cap removal and 15% profit share.