Brent crude rose 2.6% to $111.66 per barrel on Thursday, reaching a five-month high, as a decline in AI-related stocks dragged down global markets. As of New York midday, the Nasdaq Composite was down 1.5%, and the S&P 500 was down 0.8%. NVIDIA fell 2.3%, Meta dropped 5.8%, and chip equipment manufacturer Lam Research declined 7.7%. Asian markets were also affected, with the KOSPI falling 3.52% to 5,533.77 points, Japan's Nikkei 225 down 2.65%, and Hong Kong's Hang Seng Index down 3.03%. China's CSI 300 Index has entered a bear market. Additionally, gasoline prices rose 9.1% in September.