High-Stakes Moves: Tesla, Nvidia, and Google Lead Markets Trading Volume Surge

1. Tesla (Nasdaq: TSLA)
Tesla gained mildly by 1.92%, with the trading volume of 33.08B. Elon Musk commits to leading Tesla for another five years amid European sales drop of 46.2% in April and new Model S Plaid tests. Tesla humanoid robots showcased doing chores, including cooking.

2. Nvidia (Nasdaq: NVDA)
Nvidia gained mildly by 0.78%, with the trading volume of 24.89B. NVIDIA opens NVLink and forms an 800V high-pressure DC power supply alliance for data centers, collaborates with OpenAI in UAE AI landmark project, and faces U.S. chip restrictions impacting its market share in China.

3. Alphabet (Nasdaq: GOOGL)
Alphabet gained mildly by 1.37%, with the trading volume of 12.98B. Google's acquisition of an AI chatbot company is under an antitrust investigation by the US Department of Justice, examining agreements with Character.AI. Meanwhile, Google and Xreal launched Project Aura Android XR glasses, and Google introduced AI Mode in search, criticized for impacting publishers' revenue.

4. Apple (Nasdaq: AAPL)
Apple dipped mildly by -0.36%, with the trading volume of 9.41B. Apple plans to launch smart glasses by end of 2026, accelerating development and focusing on Siri interaction. Apple has halted plans for an Apple Watch with a camera, refocusing on AirPods' camera integration instead.

5. Palantir Technologies (NYSE: PLTR)
Palantir Technologies gained mildly by 1.42%, with the trading volume of 9.37B. On May 21, 2025, Palantir's director Karp Alexander C. sold 180,000 shares as part of disclosed insider transactions on May 22, totaling 42 transactions.

6. Microsoft (Nasdaq: MSFT)
Microsoft gained mildly by 0.51%, with the trading volume of 8.23B. Microsoft's $69 billion acquisition of Activision Blizzard receives approval as US FTC ends antitrust lawsuit. Microsoft faces challenges with Xbox mobile store due to Apple policies. Windows 11 adds AI features. Microsoft release previews of AI-enhanced tools and TypeScript Native for improved performance.

7. Unitedhealth Group Incorporated (NYSE: UNH)
Unitedhealth Group Incorporated dipped mildly by -2.11%, with the trading volume of 8.14B. UnitedHealth Group faces a scandal involving secret payments to nursing homes to reduce hospital referrals, causing media scrutiny. HSBC has lowered its target price for UnitedHealth to $270.

8. Amazon (Nasdaq: AMZN)
Amazon.Com gained mildly by 0.98%, with the trading volume of 7.92B. AWS shifts to a partnership model with telecom companies after ending its private 5G service. Meanwhile, Pershing Square Capital Management, led by Bill Ackman, takes a new position in Amazon, praising it as an excellent franchise. Amazon also tests AI-generated audio shopping summaries for more efficient consumer decision-making.

9. Alphabet (Nasdaq: GOOG)
Alphabet gained mildly by 1.13%, with the trading volume of 7.86B. Google faces an antitrust investigation by the US Department of Justice regarding its AI technology agreement with a popular chatbot company, Character.AI, and its strategic arrangements to avoid formal merger review.

10. Microstrategy Incorporated (Nasdaq: MSTR)
Microstrategy Incorporated dipped mildly by -0.80%, with the trading volume of 6.75B. MicroStrategy disclosed five insider transactions on May 22, 2025. Director Patten Jarrod M purchased 2,800 shares on May 21, and executive Kang Andrew sold 3,351 shares on May 20. The company plans to sell $21 billion in STRF preferred stock.