Pre-market Hot Trades in US Stocks
Serve Robotics is up 7.02% in pre-market trading. Based on recent news,
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On December 18, Oppenheimer analyst Colin Rusch rated Serve Robotics as outperform and announced a target price of $20 per share. This news boosted investor confidence and drove the stock price up.
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On December 17, bullish sentiment towards Serve Robotics significantly increased, mainly benefiting from the company's strategic partnerships with restaurants and delivery platforms, as well as the Trump administration's focus on the robotics industry. This news further propelled the stock price upward.
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On December 16, company executives including President Parang Touraj and CFO Read Brian filed Form 4, disclosing changes in shareholdings. Although some shares were repurchased to cover option exercise costs and tax burdens, the overall market reaction was positive. The robotics industry is supported by policies, and market sentiment is optimistic.
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AST SpaceMobile is up 5.64% in pre-market trading. Based on recent key news:
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On December 18, AST SpaceMobile director Keith R. Larson purchased common stock in the company, showing insider confidence in the company's future, which drove the stock price up. According to SEC filings, Larson bought 715 shares at a price of $70.02 per share.
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On December 18, a FactSet survey showed analysts raised their median EPS estimate for AST SpaceMobile for 2025 to -$1.11, improving market expectations for the company's profitability and boosting the stock price. The target price is $81.75.
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On November 24, Scotiabank upgraded AST SpaceMobile to Sector Perform, based on improved valuation after the company's market cap was halved, attracting investor attention. The space data center concept is gaining attention, with decreasing launch costs.
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Top Gainers in Pre-market US Stocks
Athira Pharma is up 74.85% in pre-market trading. Based on recent key news:
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On December 18, Athira Pharma submitted an 8-K filing to the SEC, indicating significant business updates. This news sparked positive expectations for the company's future development, driving the stock price sharply higher.
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On December 17, the market expressed optimism about Athira Pharma's progress in innovative drug development, enhancing investor confidence in its potential market value, leading to a significant rise in stock price.
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On December 16, analysts upgraded their ratings on Athira Pharma, believing its competitiveness in the biopharmaceutical field has strengthened, further stimulating the stock price increase. The biopharmaceutical industry has performed strongly recently, with noticeable capital inflows
Sable Offshore pre-market rose 55.28%. Based on recent key news:
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On December 17, PHMSA confirmed that Sable Offshore's pipeline is an interstate facility, with regulatory authority transferred to PHMSA. This news drove the stock price up, with significantly increased trading volume. Source: SEC announcement
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On December 18, the regulatory dispute between California and Sable Offshore may come to an end, gaining support from the U.S. Secretary of Energy. This event boosted market confidence, with the stock price rising 47.92% in pre-market. Source: Benzinga
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On December 18, analysts maintained a buy rating with a target price of $22, and the market holds an optimistic view on Sable Offshore's prospects. Source: TipRanks The energy sector has recently experienced increased volatility, and policy changes need to be monitored.
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Linkhome, pre-market rose 40.26%, with no significant news recently. Trading is active, and capital flow is evident. Considering sector and industry trends, the stock shows significant volatility, and specific reasons need further observation

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Serve Robotics pre-market up 7.02%; AST SpaceMobile pre-market up 5.64%; Athira Pharma pre-market up 74.85%; Sable Offshore pre-market up 55.28%; Linkhome pre-market up 40.26%

Pre-market hot trades in US stocks: Serve Robotics up 7.02% in pre-market; AST SpaceMobile up 5.64% in pre-market