Trading Volumes Soar: Inside the Market Movements of Top Tech Giants

1. Tesla (Nasdaq: TSLA)
Tesla dipped mildly by -0.50%, with the trading volume of 28.52B. Tesla plans to introduce gray-blue paint and bumper cameras on the 2026 Model X, while its CEO Elon Musk commented on China's significant electricity generation capabilities compared to the US. Additionally, Tesla's sales in Europe dropped 46.2% year-over-year in April.

2. Nvidia (Nasdaq: NVDA)
Nvidia dipped mildly by -1.16%, with the trading volume of 25.82B. Oracle will purchase $40 billion worth of NVIDIA chips for OpenAI's new US data centers. NVIDIA CEO Jensen Huang emphasized the importance of the Chinese market amid US export curbs, as NVIDIA prepares to release its Q1 2026 earnings next week.

3. Apple (Nasdaq: AAPL)
Apple dropped solidly by -3.02%, with the trading volume of 15.28B. Apple faces potential 25% tariffs on iPhones not made in the U.S. as President Trump increases pressure, while analysts believe there's little chance for Apple to move its assembly to the U.S., possibly heightening short-selling activities against the company.

4. Palantir Technologies (NYSE: PLTR)
Palantir Technologies gained mildly by 0.83%, with the trading volume of 8.08B. Palantir Technologies CEO sold over $50 million in company shares, and 42 insider transactions were disclosed, including Director Karp Alexander C. selling 180,000 shares on May 21, 2025.

5. Microstrategy Incorporated (Nasdaq: MSTR)
Microstrategy Incorporated plunged by -7.50%, with the trading volume of 8.05B. MicroStrategy disclosed insider trading activities on May 21 and 22, 2025, with board member Patten Jarrod M buying 2800 shares and executive Kang Andrew selling 3351 shares. The company plans to sell $21 billion in STRF preferred stock.

6. Microsoft (Nasdaq: MSFT)
Microsoft dipped mildly by -1.03%, with the trading volume of 7.60B. Microsoft's $68.7 billion acquisition of Activision Blizzard is cleared as the FTC drops its lawsuit, ending two years of regulatory challenges. Microsoft's President, Brad Smith, acknowledged the closure of the antitrust battle.

7. Amazon (Nasdaq: AMZN)
Amazon.Com dipped mildly by -1.04%, with the trading volume of 6.68B. Amazon shareholders rejected a proposal to permanently separate CEO and Chairman roles, supporting leadership flexibility amid AI advancements. Amazon Web Services launched Claude Opus 4 and Claude Sonnet 4 AI models and terminated private 5G service to partner with operators.

8. Alphabet (Nasdaq: GOOGL)
Alphabet dipped mildly by -1.41%, with the trading volume of 5.94B. On May 23, 2025, Google co-founder Sergey Brin donated nearly $700 million worth of Alphabet shares to an undisclosed charity. Google also disclosed 12 insider transactions on May 23 and is under a U.S. Department of Justice antitrust investigation for acquiring an AI chatbot company.

9. Meta Platforms (Nasdaq: META)
Meta Platforms dipped mildly by -1.49%, with the trading volume of 5.28B. Meta disclosed insider transactions, signed a 650MW solar power deal, launched "Llama for Startups," and introduced the J1 series model to enhance AI's accuracy and fairness. Meanwhile, Australian writers criticized Meta for using pirated works to train AI.

10. Unitedhealth Group Incorporated (NYSE: UNH)
Unitedhealth Group Incorporated dipped mildly by -0.37%, with the trading volume of 4.96B. UnitedHealth faces public criticism due to incentives for nursing homes to reduce hospital referrals, amidst increased scrutiny.