Direxion Daily Semiconductors Bear 3x Shares (SOXS), a leveraged exchange-traded fund designed to deliver three times the inverse daily performance of semiconductor stocks, plummeted 9.42% during intraday trading on Tuesday.

The sharp decline in the inverse ETF is attributed to a surge of bullish sentiment across the global semiconductor sector, driven by multiple positive industry developments. Key catalysts include SEALSQ Corp's strategic acquisition of Swiss photonics pioneer Miraex SA, a move seen as strengthening the quantum computing ecosystem. Concurrently, Nvidia's CEO announced that major companies like Anthropic, OpenAI, and SpaceX are among the first users of its upcoming Vera chip, reinforcing confidence in semiconductor demand for advanced AI applications.

Further bolstering the sector, a significant technological breakthrough was reported with researchers achieving monolithic three-dimensional integration of silicon transistors using a low-temperature process, offering a new path to enhance chip performance and energy efficiency. Positive momentum was also evident from China, where developments in the MEMS intelligent sensor industry cluster in Bengbu, including the unveiling of a national laboratory and supportive policies, signal robust investment and innovation. These collective developments, alongside a strong industry outlook with forecasts of substantial market growth, pressured the inverse fund SOXS as investors bet on continued semiconductor strength.