S&P 500 index futures extended gains, up 0.4% and trading at intraday highs.

OpenAI and Broadcom on Wednesday unveiled a jointly developed custom inference chip codenamed "Jalapeño", marking OpenAI's formal entry into AI chip development. Broadcom will manufacture the Intelligence Processor, which both parties call the platform’s first "AI accelerator"; a physical sample was delivered Wednesday and initial deployment is targeted by end‑2026 with scale‑up planned over subsequent years. OpenAI president Greg Brockman said designing more of the technology stack will let the company deliver intelligent services more efficiently and broaden access to advanced AI.

市场消息：美国国务卿鲁比奥与阿联酋总统就伊朗谅解备忘录、国防及贸易问题进行了讨论。