Global Markets Split: AI Sell‑Off, Costly Oil and French Debt Jolt Investors

On Friday, October 23, global equity markets delivered a visibly fractured picture. In the U.S., the major indexes were mixed as investors digested a sharp pullback in artificial‑intelligence high‑flyers from the previous session. Energy shares helped offset the drag from mega‑cap tech, supported by another jump in crude prices, leaving the S&P 500 and Dow little changed while the Nasdaq lagged.

Across Europe, stocks were weighed down by mounting anxiety over French public finances. The yield on France’s 10‑year government bond pushed above 5%, its highest level in years, prompting investors to seek safety in U.S. Treasuries and other core sovereign bonds. That “risk‑off” rotation contrasted with still‑firm oil prices, as Brent crude climbed into the high‑$110s per barrel, near peaks last seen in 2022, amid persistent tensions in the Middle East and the ongoing U.S.–Iran conflict.

Asia told a different story altogether. Markets with heavy tech exposure, such as Japan and South Korea, sold off as the AI trade faltered, dragging regional benchmarks lower even as some Western indices stabilized. With equities, bonds and commodities all moving sharply at the same time, global investors are being forced to pay closer attention to portfolio‑level risk management rather than focusing on any single asset class.