---
title: "Pre-market hot trades in US stocks: Regentis Biomaterials pre-market up 7.14%, active funds but no positive news"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/293217893.md"
description: "Regentis Biomaterials pre-market up 7.14%; Baiya pre-market up 81.12%; K Wave Media pre-market up 47.38%; Zhengye Biotechnology pre-market up 40.00%"
datetime: "2026-07-20T13:01:52.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/293217893.md)
  - [en](https://longbridge.com/en/news/293217893.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/293217893.md)
---

# Pre-market hot trades in US stocks: Regentis Biomaterials pre-market up 7.14%, active funds but no positive news

**Popular Pre-Market Trades in US Stocks**

Regentis Biomaterials, up 7.14% in pre-market, has no significant news recently. Trading is active with clear capital flow, and considering sector and industry trends, the stock shows notable volatility, with specific reasons needing further observation.

**Top Gainers in Pre-Market US Stocks**

Baiya is up 81.12% in pre-market. Based on recent news,

1.  On July 17, GrowHub announced a $400 million merger agreement with EnChem, causing the stock price to surge by 86%. This news boosted market confidence in the related industry, driving Baiya's stock price up.
    
2.  On July 17, Netflix released its second-quarter earnings report, which was mixed, and provided a weak third-quarter guidance, leading to a 9.6% drop in its stock price. This news raised concerns in the tech sector, indirectly affecting Baiya's stock price volatility.
    
3.  On July 17, Jasper Therapeutics announced a merger with Kira Pharmaceuticals, resulting in a 13.4% drop in its stock price. This news negatively impacted the biotech sector, affecting Baiya as a company in the same sector. Market sentiment towards the tech and biotech sectors is quite volatile.
    

K Wave Media is up 47.38% in pre-market. Based on recent key news:

1.  On July 20, K Wave Media Ltd. released important content, significantly boosting its stock price. The company published original content via GlobeNewswire, showing a positive market response, with the stock price rising 47.38% in pre-market. Source: Public Technologies
    
2.  There are no other recent news items. Market sentiment is positive, with clear capital inflow.
    

Zhengye Biotechnology is up 40.00% in pre-market, with no significant news recently. Trading is active with clear capital flow, and considering sector and industry trends, the stock shows notable volatility, with specific reasons needing further observation

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