--- title: "U.S. stock market midday update: Robostrategy down 15.30%, trading volume increased, market sentiment fluctuations attract attention" type: "News" locale: "en" url: "https://longbridge.com/en/news/286940785.md" description: "Robostrategy fell 15.30%; BlackRock fell 2.98%, with a transaction volume of USD 298 million; Blackstone Group fell 1.12%, with a transaction volume of USD 148 million; Destiny Tech100 fell 7.66%, with a transaction volume of USD 139 million; Brookfield fell 0.24%, with a market value of USD 100.6 billion" datetime: "2026-05-19T15:42:34.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/286940785.md) - [en](https://longbridge.com/en/news/286940785.md) - [zh-HK](https://longbridge.com/zh-HK/news/286940785.md) --- # U.S. stock market midday update: Robostrategy down 15.30%, trading volume increased, market sentiment fluctuations attract attention **U.S. Stock Market Midday Update** Robostrategy, down 15.30%, with increased trading volume and no significant news recently. Trading is active, with clear capital flows. Considering sector and industry trends, the stock shows significant volatility, and specific reasons need further observation. **Stocks Ranked High in Industry Trading Volume** BlackRock down 2.98%. Based on recent key news: 1. On May 17, BlackRock is considering investing $5 billion to $10 billion in SpaceX's initial public offering. This move may affect its capital flow and market confidence, leading to stock price fluctuations. Source: Guandian.com 2. On May 18, the U.S. Department of Justice is investigating the valuation issues of BlackRock's private credit funds. This investigation increases regulatory risks and affects investor confidence. Source: Insider sources 3. On May 16, BlackRock withdrew over 1,700 BTC from Coinbase, valued at approximately $140 million. This move may affect its asset allocation strategy and attract market attention. Source: Golden Finance, private credit market valuation is opaque, increasing risks. Blackstone Group down 1.12%. Based on recent key news: 1. On May 19, Blackstone Group announced a joint venture with Google, planning to invest $5 billion in AI cloud services. This move is seen as a significant layout in the AI computing power market, driving stock price fluctuations. (The Wall Street Journal) 2. On May 19, Blackstone Group withdrew from the bidding for German media group Ströer SE & Co., and the market reacted variably to its strategic adjustments, leading to stock price fluctuations. (Bloomberg) 3. On May 19, analysts adjusted their ratings for Blackstone Group, with TD Cowen lowering the target price to $133, affecting market expectations. (Benzinga) AI investments are accelerating, and market competition is intensifying. Destiny Tech100 down 7.66%. Based on recent news: 1. On May 18, SpaceX announced a 1-for-5 stock split plan, expected to lower the IPO single share issuance price to about $105.32. This move may attract a large number of retail investors, leading to capital flowing into SpaceX and affecting the performance of other tech stocks. 2. On May 18, reports indicated that SpaceX plans to launch 1 million satellites to build a distributed space-level cloud computing super server system. This news has sparked significant market attention on SpaceX's future growth potential, with capital possibly shifting from other tech stocks to SpaceX. 3. On May 18, analysts pointed out that after SpaceX goes public, Musk's followers may reduce their holdings in Tesla and shift to SpaceX, putting pressure on Tesla and related tech stocks. The tech industry has been highly volatile recently, with clear capital flows. **Stocks Ranked High in Industry Market Capitalization** Brookfield fell 0.24%. Based on recent key news: 1. On May 16, Brookfield reported first-quarter results that exceeded expectations, with earnings per share of $0.66 and revenue reaching $18.58 billion, surpassing analyst expectations. CEO Bruce Flatt advised investors to focus on long-term cash flow and reinvestment value to stabilize the stock price. 2. On May 19, Baystreet raised Brookfield's target stock price from $59 to $60, reflecting market confidence in its strategic expansion and capital unlocking plans. 3. On May 16, MarketBeat analysts noted that while Brookfield has a moderate buy rating, it was not included in the top recommended stocks list, indicating a cautious market attitude towards its short-term performance. 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