--- title: "U.S. stock night market volatility: ASTS fell 4.30% in after-hours trading: SpaceX IPO siphoning off funds, downgrade rating suppressing stock price" type: "News" locale: "en" url: "https://longbridge.com/en/news/290515828.md" description: "AST SpaceMobile fell 4.30% in after-hours trading; SpaceX fell 2.84% in after-hours trading, with a transaction volume of USD 420 million; South Korea's SK Telecom fell 4.91% in after-hours trading, with a transaction volume of USD 520,200; T-Mobile US rose 1.52% in after-hours trading, with a transaction volume of USD 342,700" datetime: "2026-06-23T05:41:45.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/290515828.md) - [en](https://longbridge.com/en/news/290515828.md) - [zh-HK](https://longbridge.com/zh-HK/news/290515828.md) --- # U.S. stock night market volatility: ASTS fell 4.30% in after-hours trading: SpaceX IPO siphoning off funds, downgrade rating suppressing stock price **U.S. Stock Night Market Movements** AST SpaceMobile fell 4.30% in the night market. Based on recent key news: 1. On June 22, AST SpaceMobile signed a new multi-year agreement with Eutelsat for low Earth orbit satellite connectivity services. This collaboration could enhance the company's future revenue potential, but failed to boost the stock price immediately. 2. On June 20, analysts rated AST SpaceMobile as underweight, believing there are five other stocks with better investment value. This rating may have led to a decline in investor confidence, affecting stock performance. 3. On June 23, SpaceX's IPO attracted significant market attention and capital inflow, leading to outflow pressure on other space-related stocks, including AST SpaceMobile. The competition in the space industry has intensified, with funds flowing towards SpaceX. **Stocks with High Trading Volume in the Industry** SpaceX fell 2.84% in the night market. Based on recent key news: 1. On June 22, SpaceX announced its first issuance of investment-grade bonds, with a financing scale of at least $20 billion to repay temporary bridge loans. This news caused the stock price to plummet by 10.5%, closing at $165.61. Source: Reuters 2. On June 22, KeyBanc Capital Markets gave SpaceX a neutral rating for the first time, indicating that the risk-reward profile is balanced in the short term, leading to a pre-market drop of over 4%. Source: KeyBanc 3. On June 22, SpaceX announced the acquisition of AI programming company Cursor in an all-stock deal worth $6 billion, with the stock price dropping 7% that day. Source: WSJ The overall industry performed strongly, but short-term volatility risks are high. SK Telecom fell 4.91% in the night market. Based on recent key news: 1. On June 20, the Trump administration instructed Anthropic to restrict non-U.S. user access to its Mythos and Fable 5 models due to issues related to SK Telecom and its associated protective measures. This move raised market concerns, leading to a 4.91% drop in SK Telecom's stock price. The market is sensitive to technology regulatory policies. T-Mobile US rose 1.52% in the night market. Based on recent key news: 1. On June 22, Evercore ISI analyst Kutgun Maral maintained a buy rating on T-Mobile US with a target price of $270. The strong buy consensus among analysts may have driven the stock price up. 2. On June 22, UBS lowered T-Mobile's target price from $300 to $255 but maintained a buy rating. Despite the target price reduction, the buy rating still reflects market confidence in its future performance On June 23, after the SpaceX IPO, global communication and AI data processing have become long-term important themes, which may have a positive impact on telecommunications service companies such as T-Mobile US. The telecommunications industry is positively influenced by the SpaceX IPO and has a favorable long-term outlook ### Related Stocks - [ASTS.US](https://longbridge.com/en/quote/ASTS.US.md) - [SPCX.US](https://longbridge.com/en/quote/SPCX.US.md) - [SKM.US](https://longbridge.com/en/quote/SKM.US.md) - [TMUS.US](https://longbridge.com/en/quote/TMUS.US.md) ## Related News & Research - [AST SpaceMobile (ASTS) Stock After 31% Monthly Drop Is The Market Overreacting](https://longbridge.com/en/news/290617444.md) - [AST SpaceMobile Shares Rise on Successful Bluebird Satellite Launches. What This Means for ASTS Stock.](https://longbridge.com/en/news/290225919.md) - [AG Campbell Advisory LLC Buys Shares of 6,583 AST SpaceMobile, Inc. $ASTS](https://longbridge.com/en/news/290320552.md) - [AST SpaceMobile Announces BlueBirds 11, 12, and 13 Orbital Launch in the First Half of August | ASTS Stock News](https://longbridge.com/en/news/290575573.md) - [AST SpaceMobile Stock – Analysts Remain Cautious Despite Recent Wins](https://longbridge.com/en/news/290212231.md)