--- title: "Top 10 HK Stock Losers (5.20)" type: "News" locale: "en" url: "https://longbridge.com/en/news/287031094.md" description: "CHINA QINFA(00866) fell 27.84%, with a trading turnover 228.4 Million HKD, and a year-to-date fell 31.6%. ROBOTPHOENIX(06871) fell 17.93%, with a trading turnover 96.9 Million HKD, and a year-to-date rose 34.5%. BRAINAURORA-B(06681) fell 16.83%, with a trading turnover 539.7 Million HKD, and a year-to-date fell 47%." datetime: "2026-05-20T08:30:41.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/287031094.md) - [en](https://longbridge.com/en/news/287031094.md) - [zh-HK](https://longbridge.com/zh-HK/news/287031094.md) --- # Top 10 HK Stock Losers (5.20) Hang Seng Index has fell 0.57%, with a year-to-date rose 0.1%; Hang Seng TECH Index has rose 0.34%, with a year-to-date fell 11.6%. CHINA QINFA(00866) fell 27.84%, with a trading turnover 228.4 Million HKD, and a year-to-date fell 31.6%. ROBOTPHOENIX(06871) fell 17.93%, with a trading turnover 96.9 Million HKD, and a year-to-date rose 34.5%. BRAINAURORA-B(06681) fell 16.83%, with a trading turnover 539.7 Million HKD, and a year-to-date fell 47%. ### Related Stocks - [00866.HK](https://longbridge.com/en/quote/00866.HK.md) - [06871.HK](https://longbridge.com/en/quote/06871.HK.md) - [06681.HK](https://longbridge.com/en/quote/06681.HK.md) - [07666.HK](https://longbridge.com/en/quote/07666.HK.md) - [08299.HK](https://longbridge.com/en/quote/08299.HK.md) - [06998.HK](https://longbridge.com/en/quote/06998.HK.md) - [02525.HK](https://longbridge.com/en/quote/02525.HK.md) - [02685.HK](https://longbridge.com/en/quote/02685.HK.md) - [06666.HK](https://longbridge.com/en/quote/06666.HK.md) - [09929.HK](https://longbridge.com/en/quote/09929.HK.md) ## Related News & Research - [Hesai sustains profitability as LiDAR shipments surge and secures Mercedes order](https://longbridge.com/en/news/286887280.md) - [BrainAurora Controlling Shareholder Extends Lock-Up on 20% Stake to 2027](https://longbridge.com/en/news/275044544.md) - [BrainAurora Raises HK$500.68 Million Through Share Placing and Top-Up Subscription](https://longbridge.com/en/news/274913123.md) - [BrainAurora Adds Directors’ Responsibility Statement to Earlier Placing Announcement](https://longbridge.com/en/news/273846487.md) - [Quantgroup Names Leading AI Academic as Chief Scientist to Bolster R&D](https://longbridge.com/en/news/279096484.md)