According to the latest report from Goldman Sachs Prime Brokerage, hedge funds net sold global AI stocks for five consecutive trading days from October 8 to 14, completely reversing all cumulative net purchases since early 2025. Goldman Sachs Prime books showed "significant net selling" of global equities, led by North America and emerging market Asia. Taiwan's market saw a record single-day net outflow of approximately $9.3 billion in foreign capital, and the Philadelphia Semiconductor Index fell for the seventh consecutive day, with related market capitalization evaporating by approximately $2 trillion. Goldman Sachs believes that despite the extreme selling pressure, AI positions remain elevated, and total leverage is near a five-year high, suggesting that this deleveraging cycle is closer to the beginning than the end.