Applovin Surges with Record Trading Volume, Outshines Market Giants

1. Applovin (Nasdaq: APP)
Applovin gained solidly by 4.52%, with the trading volume of 47.29B. Applovin reported a significant increase in trading volume on September 19, 2025, recording $474.05 billion, reflecting a 719.91% boost over the previous day.

2. Nvidia (Nasdaq: NVDA)
Nvidia gained mildly by 0.24%, with the trading volume of 41.93B. NVIDIA plans a $5 billion investment in the UK-based autonomous driving company Wayve, enhancing AI driving technology collaboration. Their recent partnership with Intel involves a $50 billion investment for joint AI chip development. Additionally, NVIDIA is acquiring Enfabrica's key team and technology for over $9 billion.

3. Apple (Nasdaq: AAPL)
Apple gained solidly by 3.20%, with the trading volume of 40.03B. Apple's iPhone 17 series launched on September 19th with initial offline sales appearing less robust despite strong pre-sale performance on platforms like JD. CEO Tim Cook denied the price increase was linked to Trump's tariffs, emphasizing AI integration.

4. Tesla (Nasdaq: TSLA)
Tesla gained mildly by 2.21%, with the trading volume of 39.53B. Tesla has been approved to test driverless cars with safety operators in Arizona, expanding its autonomous taxi services beyond Austin. Additionally, Baird upgraded Tesla's rating from "neutral" to "outperform," citing the company's leadership in AI and positive market sentiment.

5. Microsoft (Nasdaq: MSFT)
Microsoft gained mildly by 1.86%, with the trading volume of 27.04B. Microsoft will raise the suggested retail prices of various Xbox consoles in the U.S. starting October due to "macroeconomic environment changes". Accessories like controllers and headsets are unaffected, and prices in other countries remain unchanged.

6. Robinhood Markets (Nasdaq: HOOD)
Robinhood Markets gained solidly by 3.20%, with the trading volume of 25.23B. Robinhood Markets achieved a significant increase in trading volume on September 19, 2025, reaching $25.216 billion, marking a 475.38% increase compared to the previous trading day, ranking sixth in the US stock market for the day.

7. Amazon (Nasdaq: AMZN)
Amazon.Com gained mildly by 0.11%, with the trading volume of 22.72B. Amazon's use of Qwen and DeepSeek models highlights its cloud technology advancements. The company is improving its supply chain, creating increased growth opportunities. It is establishing an AGI lab, further expanding its AI capabilities.

8. Palantir Technologies (NYSE: PLTR)
Palantir Technologies gained solidly by 3.06%, with the trading volume of 19.86B. Palantir Technologies is investing £1.5 billion in the UK and expanding its AI software usage through a £750 million five-year agreement with the UK Ministry of Defence, enhancing ties and operations in the region.

9. Meta Platforms (Nasdaq: META)
Meta Platforms dipped mildly by -0.24%, with the trading volume of 18.44B. Oracle is in talks with Meta Platforms for a potential $200 billion AI cloud computing agreement, reflecting Oracle's growing role as a key infrastructure services provider.

10. Broadcom (Nasdaq: AVGO)
Broadcom dipped mildly by -0.12%, with the trading volume of 14.19B. Broadcom disclosed 43 insider transactions on September 18, 2025. JP Morgan reiterated Broadcom as a top semiconductor stock due to its diversified business model, strong margins, and robust AI/data center growth.