Teslas Volume Surge: Elon Musks $10 Billion Investment Ignites Market Buzz

1. Tesla (Nasdaq: TSLA)
Tesla gained solidly by 3.62%, with the trading volume of 68.09B. Elon Musk invested approximately $10 billion to acquire about 2.57 million Tesla shares, marking his largest open market purchase since February 2020. This move aligns with his goal to own at least 20% of Tesla.

2. Nvidia (Nasdaq: NVDA)
Nvidia dipped mildly by -0.04%, with the trading volume of 26.01B. NVIDIA faces intensified investigation by China's State Administration for Market Regulation for allegedly violating antitrust law, risking penalties up to 60.9 billion yuan. NVIDIA vows compliance and cooperation with regulatory bodies assessing export control impacts on market competition.

3. Alphabet (Nasdaq: GOOGL)
Alphabet gained solidly by 4.49%, with the trading volume of 14.58B. Google has opened the Waltham Cross data center as part of a £5 billion investment in the UK to support its AI economy over the next two years. Additionally, Google's proposal to divest part of its ad tech business was rejected by the Department of Justice, which demands the sale of AdX.

4. Oracle (NYSE: ORCL)
Oracle gained solidly by 3.41%, with the trading volume of 12.09B. Oracle's recent financial results show strong performance with contract obligations growing robustly, and its cloud infrastructure revenue is expected to rise significantly from $102 billion in 2025 to $320 billion in 2026 and beyond.

5. Apple (Nasdaq: AAPL)
Apple gained mildly by 1.12%, with the trading volume of 10.09B. Apple CEO Tim Cook discussed a $600 billion U.S. manufacturing plan benefiting 79 factories nationwide, promising increased business opportunities. Meanwhile, demand for the iPhone 17 series reportedly surpasses that of the iPhone 16, and Apple introduced watchOS 26 with new design and health features.

6. Microsoft (Nasdaq: MSFT)
Microsoft gained mildly by 1.07%, with the trading volume of 8.80B. Microsoft deeply integrates Copilot Chat, incorporating AI assistants into its office applications. Additionally, its September updates caused SMBv1 connection issues, and Xbox app updates now allow multi-platform game library integration. Microsoft also faced accusations of using its UCPD.sys to hide encrypted data and intercept Chinese software.

7. Meta Platforms (Nasdaq: META)
Meta Platforms gained mildly by 1.21%, with the trading volume of 8.05B. Meta partners with Ray-Ban to unveil new smart glasses equipped with HUD display and gesture input technology, debuting at $800. Additionally, Meta announces VR game discounts during its Connect conference, offering hundreds of games at half price.

8. Broadcom (Nasdaq: AVGO)
Broadcom gained mildly by 1.17%, with the trading volume of 7.90B. Oracle announced a $500 billion contract order forecast as global AI infrastructure demand continues to rise. Meanwhile, Broadcom is being investigated in a U.S. semiconductor anti-dumping probe, with Texas Instruments, ADI, and ON Semiconductor also involved in the investigation.

9. Amazon (Nasdaq: AMZN)
Amazon.Com gained mildly by 1.44%, with the trading volume of 7.70B. Amazon is reportedly facing unfair competition allegations in Mexico and responded to AWS layoff rumors by stating that they're false and that recruitment continues in China. The company is also increasing focus on the AR eyewear market, challenging Meta's dominance by 2026.

10. Palantir Technologies (NYSE: PLTR)
Palantir Technologies dipped mildly by -0.13%, with the trading volume of 7.70B. Palantir disclosed four insider transactions on September 15, 2025. Director Lauren Elaina Friedman sold 8,000 shares on September 11, 2025.