2026DevDay開發者大會定於美國太平洋時間9月29日上午10點舉行，對應北京時間9月30日凌晨1點。OpenAI在會前發佈了“Getready”倒計時預熱。官方確認大會將展示ChatGPT、Codex及開發者工具的下一步進展，但並未透露具體產品；但市場討論已迅速聚焦AIAgent，尤其是能夠調用工具、跨應用協作並持續執行多步驟任務的代理系統。OpenAI此前推出的ChatGPTWork已將聊天模型與Codex結合，用於生成文檔、演示文稿和網站，行業競爭也正從模型基準分數轉向任務完成率、運行成本及工作流可靠性。

NVIDIA (NVDA.O) rose about 3.6% intraday at one point, its largest single-day gain since Sept. 2.

Chinese Vice Minister of Agriculture Zhang Zhili and Canadian Deputy Minister of Agriculture Lawrence Hansen co-chaired the 13th China-Canada Joint Agricultural Committee in Ottawa. The meeting formalized the committee's restart and returned China-Canada agricultural dialogue to an institutionalized, regular footing. China proposed broadening engagement under the existing mechanism by setting up working groups on agricultural technology, soil health and the seed industry. Both sides said they will expand cooperation across multiple levels and areas, guided by leaders' strategic consensus, and move agreed priorities toward implementation.