Tesla Leads Trading Volume Surge as Palantir Tops Billion-Dollar Exchange

1. Tesla (Nasdaq: TSLA)
Tesla gained mildly by 1.92%, with the trading volume of 32.90B. Elon Musk commits to remain Tesla CEO for five years while exiting the political stage. Tesla's European sales dropped sharply in April, with deliveries falling 46.2%, as BYD surpassed Tesla in electric vehicle sales.

2. Nvidia (Nasdaq: NVDA)
Nvidia gained mildly by 0.78%, with the trading volume of 24.72B. NVIDIA announced a strategic collaboration with Neo Semiconductor to develop the next-generation 800-volt high-voltage direct current architecture. Additionally, NVIDIA's subsidiary CoreWeave inked a $40 billion cloud computing deal with OpenAI, further expanding its technological footprint.

3. Alphabet (Nasdaq: GOOGL)
Alphabet gained mildly by 1.37%, with the trading volume of 12.95B. The U.S. Department of Justice is reportedly investigating Alphabet's Google over antitrust concerns related to its AI technology deal with Character.AI, examining whether the arrangement with this chatbot company was made to bypass formal merger review.

4. Apple (Nasdaq: AAPL)
Apple dipped mildly by -0.36%, with the trading volume of 9.38B. Apple plans to launch smart glasses by end-2026 to compete in AI-enhanced device market, putting aside smart watch with camera development. The company will start collaborating with overseas suppliers by the end of this year.

5. Palantir Technologies (NYSE: PLTR)
Palantir Technologies gained mildly by 1.42%, with the trading volume of 9.29B. Palantir Technologies reported significant trading activity on May 22, with 92.91 billion USD exchanged, ranking fifth among US stocks for that day.

6. Microsoft (Nasdaq: MSFT)
Microsoft gained mildly by 0.51%, with the trading volume of 8.21B. Microsoft COO Chris Tao highlighted a rapid shift in AI understanding among business leaders over the past two years, noting that AI investments will focus on product development, customer service, and marketing globally in the next 6-12 months.

7. Unitedhealth Group Incorporated (NYSE: UNH)
Unitedhealth Group Incorporated dipped mildly by -2.11%, with the trading volume of 8.07B. UnitedHealth faces scrutiny over alleged payments to nursing homes to reduce patient transfers, amid Medicare audit expansion and ongoing controversy. HSBC has lowered UnitedHealth's target price to $270.

8. Amazon (Nasdaq: AMZN)
Amazon.Com gained mildly by 0.98%, with the trading volume of 7.88B. Amazon announced testing of AI-generated audio product summaries, enhancing consumer decision-making. Amazon Cloud Technology launched Amazon Transform, speeding up enterprise application modernization. Amazon is developing a large folding device to compete with Huawei's MateBook Fold.

9. Alphabet (Nasdaq: GOOG)
Alphabet gained mildly by 1.13%, with the trading volume of 7.84B. The U.S. Department of Justice is investigating Alphabet's Google for potential antitrust violations regarding its AI technology agreement with a chatbot company, Character.AI. The investigation concerns whether the agreement was structured to avoid government merger scrutiny.

10. Microstrategy Incorporated (Nasdaq: MSTR)
Microstrategy Incorporated dipped mildly by -0.80%, with the trading volume of 6.71B. MicroStrategy plans to sell $2.1 billion in STRF preferred stock and disclosed insider transactions on May 21-22, including Jarrod M. Patten buying 2,800 shares and Andrew Kang selling 3,351 shares.