--- title: "Pre-market hot trades in US stocks: Roper Tech up 8.40% in pre-market; Western Digital up 3.02% in pre-market" type: "News" locale: "en" url: "https://longbridge.com/en/news/293605205.md" description: "Roper Tech pre-market rose 8.40%; Western Digital pre-market rose 3.02%; Rockley Photonics pre-market rose 83.92%; Webuy Global pre-market rose 44.96%; Zhengye Biotechnology pre-market rose 32.59%" datetime: "2026-07-23T11:12:53.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/293605205.md) - [en](https://longbridge.com/en/news/293605205.md) - [zh-HK](https://longbridge.com/zh-HK/news/293605205.md) --- # Pre-market hot trades in US stocks: Roper Tech up 8.40% in pre-market; Western Digital up 3.02% in pre-market **Popular Pre-Market Trades in U.S. Stocks** Roper Tech is up 8.40% in pre-market trading. Based on recent news, 1. On July 23, Roper Tech released its second-quarter financial report, showing a 9% increase in revenue, a 10% increase in adjusted earnings per share, and an 11% increase in free cash flow. The company also raised its full-year adjusted earnings per share and revenue growth expectations, driving the stock price up. 2. On July 23, Roper Tech announced progress in its AI innovation projects across various business units and returned a significant amount of capital through stock buybacks. These positive financial and business performances further boosted market confidence. 3. On July 23, Roper Tech projected its full-year adjusted earnings per share to be between $22.15 and $22.30, higher than the market expectation of $21.70. This optimistic outlook also supported the stock price. The technology sector is performing strongly overall, with AI innovation as a major driver. Western Digital is up 3.02% in pre-market trading. Based on recent key news: 1. On July 21, Morgan Stanley reported that the supply shortage of AI data center storage chips has worsened, predicting a 25% increase in storage chip prices, which drove Western Digital's stock price up over 11%. Source: Morgan Stanley 2. On July 22, Western Digital's merger negotiations with Kioxia were restarted, and market expectations for the merger drove the stock price up 12.51%. Source: Benzinga 3. On July 22, the expansion of AI infrastructure boosted demand for high-bandwidth memory and DRAM, supporting profitability in related industries, benefiting Western Digital. Source: IDC and Counterpoint Research, the storage chip industry is entering a super cycle, risks need to be monitored. **Top Gainers in Pre-Market U.S. Stocks** Roku is up 83.92% in pre-market trading. Based on recent news, 1. On July 23, Roku announced that its second-quarter financial report will be released after the market closes on August 6. The market has high expectations for the report, driving the stock price significantly higher. 2. On July 22, after a significant increase in stock price on the previous trading day, market sentiment was high, further boosting the stock price. 3. On July 21, Roku announced a new public offering plan, and market confidence in its future development led to a continuous rise in stock price. Market sentiment is high, and trading volume has significantly increased. Webuy Global is up 44.96% in pre-market trading. Based on recent news, 1. On July 20, Webuy Global announced plans to leverage the growth of China's inbound tourism market by enhancing its AI platform and expanding strategic partnerships. This initiative aims to seize market opportunities from the significant increase in tourist numbers in recent years. 2. On July 23, Webuy Global announced its membership in the Asia-Pacific Tourism Association and participation in the China Inbound Tourism Alliance meeting, supporting its strategy to build an AI-assisted tourism platform while expanding its WeTrip platform to enhance tourist engagement and operational efficiency On July 23, Webuy Global issued a statement emphasizing the advantages of its AI smart travel card and other products, stating that these initiatives will enhance its position in the inbound tourism market in China. The tourism industry has shown strong performance recently, with significant policy support. Zhengye Biotechnology pre-market rose 32.59%. Based on recent key news: 1. On July 21, Zhengye Biotechnology announced an explanation for the unusual trading of its Class A common stock. The company focuses on the research and sales of veterinary vaccines in China, and this announcement attracted market attention, driving the stock price up. 2. On July 21, Zhengye Biotechnology published original content through GlobeNewswire, highlighting its expertise and market position in the veterinary vaccine field, further boosting investor confidence and leading to a significant increase in stock price. 3. No other significant news recently. Demand in the veterinary vaccine industry is growing, and the market is active ### Related Stocks - [ROP.US](https://longbridge.com/en/quote/ROP.US.md) - [WDC.US](https://longbridge.com/en/quote/WDC.US.md) - [SOXL.US](https://longbridge.com/en/quote/SOXL.US.md) ## Related News & Research - [Primis AI Becomes ChipNexus and Launches NEX for Agentic Chip-Design Automation](https://longbridge.com/en/news/293657601.md) - [LIVE MARKETS-AI's not that fun and easy. 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