Opendoor Soars with Jaw-Dropping 458% Volume Surge Amidst Competitive Market Moves

1. Tesla (Nasdaq: TSLA)
Tesla dipped mildly by -0.35%, with the trading volume of 24.78B. Tesla expands Robotaxi services with improved precision for better user experience, enters competition with Google's Waymo, and reinforces its self-driving domain in Austin. Moreover, Tesla's Model 3 global sales surpass 3 million units.

2. Nvidia (Nasdaq: NVDA)
Nvidia dipped mildly by -0.60%, with the trading volume of 20.92B. NVIDIA's CEO Jensen Huang has sold over 140 million shares, cashing in more than $2 billion. NVIDIA CUDA now supports RISC-V. The GeForce RTX 5090 mobile version achieves a 20% performance boost through modification.

3. Apple (Nasdaq: AAPL)
Apple gained mildly by 0.62%, with the trading volume of 10.93B. Apple's Q3 results are expected to exceed Wall Street forecasts, according to Morgan Stanley analysts. Apple emphasized AI training aligns with ethical guidelines in a new paper. Apple's foldable iPhone, designed like Samsung's Z Fold, may launch in 2026. Management adjustments hint at potential CEO replacements.

4. Amazon (Nasdaq: AMZN)
Amazon.Com gained mildly by 1.44%, with the trading volume of 9.08B. Amazon shareholders are eager to see the impact of its significant AI investments. While tech companies often gain stock market benefits from AI, Amazon has yet to see expected returns, despite viewing AI as a strategy for increased efficiency and accelerated sales growth.

5. Alphabet (Nasdaq: GOOGL)
Alphabet gained mildly by 2.72%, with the trading volume of 8.59B. Google's insider transactions for July 21 involve two trades disclosed, with Board Member Shriram Kavitark Ram selling 18,600 shares. Additionally, Google's earthquake monitoring network utilizes two billion Android devices. Google Pixel 10's first official renders are released, featuring a telephoto lens.

6. Coinbase Global (Nasdaq: COIN)
Coinbase Global dipped mildly by -1.47%, with the trading volume of 7.20B. Coinbase Global's trading volume on July 21 was $7.199 billion, showing a 39.63% decrease from the previous day.

7. Microsoft (Nasdaq: MSFT)
Microsoft gained mildly by 0.00%, with the trading volume of 7.16B. Microsoft warns of a serious security vulnerability in SharePoint, urging governmental and enterprise clients to update immediately. Microsoft is also collaborating with the French government to create a digital twin of the Notre-Dame Cathedral.

8. Palantir Technologies (NYSE: PLTR)
Palantir Technologies dipped mildly by -1.13%, with the trading volume of 6.87B. Palantir's turnover on July 21 was $6.872 billion, ranking ninth in U.S. markets that day.

9. Opendoor Technologies (Nasdaq: OPEN)
Opendoor Technologies surged by 42.67%, with the trading volume of 6.87B. Opendoor reported a significant increase in transaction volume to $6.892 billion on July 21, 2025, marking a substantial rise of 458.46% compared to the previous day.

10. Netflix (Nasdaq: NFLX)
Netflix gained mildly by 1.99%, with the trading volume of 6.86B. Netflix's Q2 earnings exceeded expectations, leading to mixed reactions from financial institutions. The company raised its full-year revenue forecast. Morgan Stanley reaffirmed its "overweight" rating. Additionally, Netflix is increasing investments in gaming, focusing on four categories.