--- title: "Pre-market hot trades in US stocks: Kandi Tech pre-market down 9.62%; Coherent Corp. pre-market up 5.17%" type: "News" locale: "en" url: "https://longbridge.com/en/news/279562671.md" description: "Kandi Tech pre-market down 9.62%; Coherent Corp. pre-market up 5.17%; Li Bang pre-market up 173.62%; YY pre-market up 85.26%; Swarmer pre-market up 48.39%" datetime: "2026-03-18T09:02:40.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/279562671.md) - [en](https://longbridge.com/en/news/279562671.md) - [zh-HK](https://longbridge.com/zh-HK/news/279562671.md) --- # Pre-market hot trades in US stocks: Kandi Tech pre-market down 9.62%; Coherent Corp. pre-market up 5.17% **Pre-market Hot Trades in US Stocks** Kandi Tech pre-market fell 9.62%. Based on recent key news: 1. On March 17, Kandi Technologies announced the establishment of a joint venture KH Robotics with HawkRobo Systems LLC, with Kandi holding a 70% stake. The company will focus on four-legged robotic security solutions for logistics parks, with commercial deliveries expected to launch in the US market within the year. This news has attracted market attention, leading to significant stock price fluctuations. Source: Times Finance 2. On March 17, Kandi Technologies partnered with HawkRobo to commercialize and deploy autonomous security robots in the North American market. Kandi will be responsible for production and service deployment, while HawkRobo will provide AI algorithms and robotic hardware technology. This move demonstrates Kandi's strategic expansion in the field of intelligent automation. Source: MT Newswires 3. On March 17, Kandi Technologies established a joint venture with HawkRobo, with Zhang Weimin, a former core management team member of Hikvision North America, appointed as CEO. The joint venture will conduct full-stack development, testing, and commercialization, with commercial deliveries expected within the year. This news has impacted the stock price. Source: People's Finance and Economics. The logistics robot market has huge potential, with attention on policy changes. Coherent pre-market rose 5.17%. Based on recent key news: 1. On March 17, Coherent showcased various co-packaged optical technologies at OFC 2026, attracting market attention. The company demonstrated its groundbreaking AI-scale optical innovations, driving the stock price up. 2. On March 18, Coherent announced that its indium phosphide product portfolio will be exhibited at OFC 2026, including lasers, modulators, and photodiodes, further enhancing market confidence in its technological leadership. 3. On March 17, JP Morgan predicted that Coherent will emerge as a major winner in the optical supply chain post-OFC, with the market holding an optimistic view on its future growth potential. The acceleration of technological innovation in the optical industry is drawing market attention. **Top Gainers in Pre-market US Stocks** Li Bang, pre-market rose 173.62%, with no significant recent news. Trading is active, and capital flow is evident. Considering sector and industry trends, the stock shows significant volatility, with specific reasons needing further observation. YY pre-market rose 85.26%. Based on recent key news: 1. On March 18, YY Group announced a partnership with Arros AI to advance its workforce platform. This strategic collaboration aims to enhance the company's technological capabilities, strengthen market competitiveness, and drive the stock price up. 2. On March 17, YY Group announced a strategic investment in Arros AI, a member of the NVIDIA Inception program. This investment is seen as an important move for the company to expand its technological domain, boosting market confidence and significantly driving up the stock price On March 16, YY Group launched a robot pilot project in Las Vegas, involving the hotel and security markets. This move is seen as an important development for the company in terms of innovation and market expansion, further enhancing investors' expectations for the company's future growth. The technology industry's innovation is accelerating, and market confidence is strengthening. Swarmer, up 48.39% in pre-market trading, has had no significant news recently. Trading is active, with clear capital flows. Considering the sector and industry trends, the stock shows significant volatility, and the specific reasons need further observation ### Related Stocks - [KNDI.US](https://longbridge.com/en/quote/KNDI.US.md) - [COHR.US](https://longbridge.com/en/quote/COHR.US.md) ## Related News & Research - [YY Group (NASDAQ: YYGH) Launches OpenClaw Agentic AI Across Hotel Clients and Internal Operations | YYGH Stock News](https://longbridge.com/en/news/287060040.md) - [AI face is taking over — and driving plastic surgeons crazy](https://longbridge.com/en/news/286641783.md) - [How Beaten-Down Tempus AI Stock Offers a Lottery Ticket for Traders Here](https://longbridge.com/en/news/286786866.md) - [Neurovia AI CTO at ISNR: Solving the AI Data Cost Dilemma and Unleashing Infrastructure Capacity | AIIO Stock News](https://longbridge.com/en/news/287049307.md) - [13:19 ETTranchi AI Targets $25M Valuation Following Expansion of its AI Bot's Capabilities](https://longbridge.com/en/news/286948882.md)