Hitachi (6501.JP) closed at JPY4,300 today (3rd), rising 10.26% throughout the day. The company inked a basic strategic partnership agreement with OpenAI, focusing on collaboration in AI data center power-related technologies. Hitachi will provide power distribution equipment and air conditioning technology, and OpenAI plans to stabilize power supply while curbing power consumption. The collaboration highlights supplying power distribution equipment to AI data centers, with market expectations that OpenAI's data center construction will boost Hitachi's performance.