AAC TECH's stock surged 5.02% during intraday trading on Tuesday, driven by significant technological advancements and business developments in the cooling solutions sector.

The company announced that its CoolFan series active cooling chips, based on MEMS piezoelectric thin-film technology, have completed R&D trials and entered small-batch trial production, with large-scale mass production expected in early 2027. These chips are applicable to AI smartphones, smartwatches, XR glasses, and various AI-enabled terminals.

Additionally, AAC TECH's subsidiary Yuandi Technology has achieved mass production of its ATAHORAN series liquid cooling CDUs, with monthly capacity reaching 400 units. The development comes as NVIDIA confirmed full adoption of liquid cooling solutions for its next-generation flagship AI platform, accelerating industry demand. The company has secured bulk deliveries from multiple leading internet enterprises across North America, Europe, and Southeast Asia. Goldman Sachs maintains a Buy rating on the stock with a target price of HK$62.5, citing growth potential in liquid cooling and AI/AR businesses.