--- title: "Pre-market hot trades in US stocks: Southern Copper rose 3.16% in pre-market trading, with dividends offsetting executive sell-offs" type: "News" locale: "en" url: "https://longbridge.com/en/news/296610194.md" description: "Southern Copper pre-market up 3.16%; RF Acquisition Corp II pre-market up 542.73%; RF ACQUISITION CORP II COM USD0.0001 (S/R 15/02/2027) pre-market up 100.00%; Werewolf Therapeutics pre-market up 84.25%" datetime: "2026-08-21T11:17:34.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/296610194.md) - [en](https://longbridge.com/en/news/296610194.md) - [zh-HK](https://longbridge.com/zh-HK/news/296610194.md) generator: "portal-rs" --- # Pre-market hot trades in US stocks: Southern Copper rose 3.16% in pre-market trading, with dividends offsetting executive sell-offs **Pre-market Hot Trades in US Stocks** Southern Copper Corporation is up 3.16% in pre-market trading. Based on recent key news: 1. On August 21, Southern Copper Corporation announced a cash dividend totaling 242.54 million soles. This news boosted investor confidence and drove the stock price up. Source: Public Technologies 2. On August 19, Southern Copper Corporation director Bonilla Luis Miguel Palomino reduced his holdings by over 10% in August, indicating a cautious attitude from executives regarding the high stock price. This move may have a negative impact on the stock price. Source: SEC filings 3. On August 19, a BofA report indicated that although rising costs of currency, fuel, and acid are putting pressure on mining companies, the increase in gold, silver, and molybdenum prices has helped offset some of these costs. This macro backdrop has affected the operating environment for Southern Copper Corporation. Source: BofA report on copper price fluctuations and increased mining cost pressures. **Top Gainers in Pre-market US Stocks** RF Acquisition Corp II is up 542.73% in pre-market trading. Based on recent key news: 1. On August 20, RF Acquisition Corp II released original content through the EDGAR system of the U.S. Securities and Exchange Commission, leading to increased market attention on its information and significantly driving up the stock price. 2. On August 21, shareholders submitted a preliminary request to redeem 3.95 million shares of RFAC stock, a development that may affect market confidence in the company and further drive stock price fluctuations. 3. Recently, RF Acquisition Corp II's stock price has approached its 52-week high, and the market's optimistic expectations for its future performance may be one reason for the stock price increase. There is increased interest in small-cap stocks, leading to active trading. RF ACQUISITION CORP II COM USD0.0001 (S/R 15/02/2027) is up 100.00% in pre-market trading, with no significant news recently. Trading is active, and capital flows are evident. Considering sector and industry trends, this stock shows significant volatility, and specific reasons need further observation. Werewolf Therapeutics is up 84.25% in pre-market trading. Based on recent key news: 1. On August 20, Werewolf Therapeutics announced the sale of its inducers and Indukine platform to EMD Serono. According to SEC filings, EMD will pay $28 million in advance and $5 million upon completion of the asset transfer. This transaction has provided the company with financial support, significantly driving up the stock price. 2. On August 20, Werewolf Therapeutics obtained exclusive development licenses for WTX-124 and WTX-330 from EMD. This license may enhance the company's R&D capabilities and boost market confidence in its future development, further driving up the stock price The biotechnology industry has recently shown active performance, with significant capital inflow ### Related Stocks - [SCCO.US](https://longbridge.com/en/quote/SCCO.US.md) - [RFAI.US](https://longbridge.com/en/quote/RFAI.US.md) - [RFAIR.US](https://longbridge.com/en/quote/RFAIR.US.md) - [HOWL.US](https://longbridge.com/en/quote/HOWL.US.md) ## Related News & Research - [Southern Peru Copper Peru unit announces dividend of S/. 4.21 per investment share](https://longbridge.com/en/news/296542875.md) - [Southern Copper (NYSE:SCCO) Shares Up 8.3% - Still a Buy?](https://longbridge.com/en/news/296638179.md) - [Johnson Financial Group Inc. Invests $1.40 Million in Southern Copper Corporation $SCCO](https://longbridge.com/en/news/296472905.md) - [This Former Small-Cap Darling Is in Freefall, But I Like the Stock Here](https://longbridge.com/en/news/296374899.md) - [Copper Prices Approach Record Highs as AI Data Centers and Supply Tightness Converge: Which US Copper Stocks Are Worth Watching?](https://longbridge.com/en/news/296662311.md) --- > **Disclaimer: This article is for reference only and does not constitute any investment advice.**