Korean stocks surged following rumors of a massive $90 trillion buyback plan by Samsung, boosting market sentiment. The speculation has led to increased investor interest, with the iShares Korea ETF synthetic contract (EWY) on Hyperliquid trading at $198.6, marking a 3.4% rise in the past four hours. Despite the positive trend, a significant market player has opened a $5.31 million short position on EWY, betting against the prevailing market optimism. This move highlights contrasting market views amid the ongoing speculation surrounding Samsung's potential buyback initiative.