Microsoft's stock price hit a new record high as Microsoft continues to increase its investment in OpenAI. Microsoft closed 2.49% higher, hitting a new record high with a transaction of $9.869 billion. The stock has accumulated a weekly increase of 4.8%. This Monday (November 6th), OpenAI held its first developer event and released a series of model updates. Subsequently, Microsoft's stock price hit new highs. Microsoft has invested $13 billion in OpenAI, and the investment continues to increase. It has upgraded the Azure cloud computing platform using artificial intelligence, enhanced the Bing search engine, and embedded it into Microsoft 365 software.