--- title: "Zhipu AI tumbles nearly 8% on heavy selling after prior-day rally" type: "News" locale: "en" url: "https://longbridge.com/en/news/297277686.md" description: "Zhipu AI fell 7.5% in Hong Kong trading to HK$1,073 on heavy selling, with turnover exceeding HK$3.6 billion." datetime: "2026-08-28T06:57:34.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/297277686.md) - [en](https://longbridge.com/en/news/297277686.md) - [zh-HK](https://longbridge.com/zh-HK/news/297277686.md) generator: "portal-rs" --- # Zhipu AI tumbles nearly 8% on heavy selling after prior-day rally Zhipu AI (2513.HK) fell **7.5%** in Hong Kong trading to **HK$1,073**, with turnover exceeding HK$3.6 billion. Multiple large block sell orders emerged in early afternoon trading, with transactions at HK$1,100, HK$1,097 and HK$1,090 between 13:04 and 13:05 CST totaling more than HK$200 million. The stock briefly touched an intraday low of **HK$1,063**, nearly 8% below the previous close. The pullback follows a **12.6%** surge in the previous session, when shares rallied on news of the company's open-source GLM-5.3-Flash model. Southbound funds net sold approximately HK$555 million of Zhipu shares on Aug. 27, while short-interest value rose to HK$381 million, reflecting increasingly active two-way trading. ### Related Stocks - [02513.HK](https://longbridge.com/en/quote/02513.HK.md) ## Related News & Research - [China's Z.ai emerges as creator of mysterious Ox Alpha model](https://longbridge.com/en/news/297060583.md) - [Zhipu identifies Ox Alpha as GLM-5.3-Flash and releases model weights](https://longbridge.com/en/news/297138298.md) - [Z.AI Says Chinese Firm Is Behind Mysterious Model Ox Alpha With All Compute Power Provided by Domestic Chips](https://longbridge.com/en/news/297140247.md) - [Z.AI Opens GLM-5.3 API Access; Model Weights to Be Open-Sourced Next Week](https://longbridge.com/en/news/296287311.md) - [HSBC Sticks to Its Hold Rating for Knowledge Atlas Technology Joint Stock Company Limited Class H (2513)](https://longbridge.com/en/news/291017939.md) --- > **Disclaimer: This article is for reference only and does not constitute any investment advice.**