Direxion Daily Semiconductors Bull 3x Shares (SOXL) plummeted 9.85% during Monday's intraday trading session, as a perfect storm of regulatory tightening and geopolitical headwinds battered the global semiconductor sector and triggered a sharp de-leveraging across leveraged ETFs.

The sell-off was primarily ignited by South Korea's Financial Services Commission tightening restrictions on retail investors' access to single-stock leveraged ETFs—a move that sent the KOSPI index plunging over 5%, with Samsung Electronics and SK Hynix each falling approximately 7% to 9%. This de-leveraging cascaded across global markets, hammering semiconductor ETFs throughout Asia and spilling over into U.S. trading. Compounding the pressure, Japan officially implemented new export controls on advanced packaging equipment targeting China, placing high-end die bonders, ultra-thin wafer thinning machines, and TSV through-silicon-via tools under strict case-by-case approval with rejection rates near 80% for AI chip-related applications.

The broader backdrop for chip stocks remains deeply challenging, with the Philadelphia Semiconductor Index already tumbling 21% in July amid growing skepticism about the sustainability of artificial intelligence spending. As a 3x leveraged product tracking the largest 30 U.S.-listed semiconductor companies, SOXL amplified these sector-wide declines, magnifying the impact of the global tech hardware de-leveraging and concentrated position liquidation in leveraged semiconductor products.