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Popular Pre-Market Trades in US Stocks

Regencell Bioscience fell 3.10% in pre-market trading. Based on recent important news:

1. On June 17, Regencell Bioscience announced a 38-for-1 stock split, expanding the number of circulating shares, attracting retail investors, and causing the stock price to soar.

2. On June 19, circulating shares accounted for only 6% of the total share capital, and the extremely low liquidity made the stock price susceptible to manipulation, with institutions warning that the valuation model was detached from fundamentals.

3. On June 18, the SEC strengthened its review of unusual movements in low-priced stocks, and Regencell Bioscience had not submitted a drug approval application, bringing regulatory risks closer.

Top Gainers in Pre-Market Trading in US Stocks

Replimune rose 58.40% in pre-market trading. According to recent key news:

1. On July 28, Replimune faced a class action lawsuit involving investors' securities purchases between November 22, 2024, and July 21, 2025. This news attracted market attention, leading to significant stock price fluctuations.

2. On July 29, several law firms called on affected investors to participate in the lawsuit, further exacerbating market uncertainty.

3. On July 30, law firms such as Wolf Haldenstein announced they would represent investors in the lawsuit, increasing market concerns about the company's prospects.

Safe and Green Development rose 46.83% in pre-market trading. Based on recent key news:

1. On July 24, Green Power Environmental announced that in the second quarter, the group achieved an unaudited waste intake of 3.7157 million tons, electricity generation of 1,303,044,000 kWh, on-grid electricity of 1,081,894,600 kWh, and steam supply of 29,040 tons. This news boosted market confidence, driving up the stock price.

2. On July 23, China Post Insurance announced that it purchased 726,000 shares of Green Power Environmental H shares, triggering a stake increase. As an important institutional investor, this stake increase further enhanced market confidence in the stock.

3. On July 21, Caixin reported that the Ministry of Finance issued a notice on "Guiding Insurance Funds for Long-term Stable Investment and Further Strengthening Long-cycle Assessment of State-owned Commercial Insurance Companies," which is favorable for insurance funds entering the market and indirectly promoted the rise of related stocks.

Stak rose 42.09% in pre-market trading. Based on recent important news:

1. On May 28, *ST Zhengping experienced a block trade with a transaction price premium of 2.46%, pushing the stock price up by 2.52%.

2. On May 21, during JP Morgan's investor day event, market sentiment was uneasy, leading to stock market fluctuations.

3. On May 21, the ST sector index surged by 2.22%, driving up related stocks