Tradr 2X Long SNDK Daily ETF (SNXX) experienced a sharp pre-market plunge of 17.46% on Tuesday. The leveraged exchange-traded fund, which aims to deliver twice the daily return of its underlying semiconductor index, significantly amplified losses during the session.

The decline was driven by a severe global semiconductor sell-off, triggered by a broad collapse in Asian markets. South Korea's KOSPI index plunged over 8%, activating circuit breakers, with major semiconductor stocks like SK Hynix falling more than 10% and Samsung Electronics dropping over 7%. Investors aggressively unwound positions in AI-driven technology names, exacerbating the downturn. Additionally, Korean regulators issued stern warnings about leveraged single-stock ETFs, stating these products primarily benefit securities firms at the expense of retail investors, and announced coordination with exchanges to assess enhanced monitoring measures. The sell-off followed the unwinding of what was identified as the most crowded trade in global market history—long semiconductors—which had seen massive asset growth in leveraged ETFs prior to the crash, amplifying downside pressure across the sector.