The investigation into Alibaba's AliExpress by the EU Commission directly targets the platform's compliance with EU regulations. Given the nature of the allegations, including the sale of illegal products and hidden links, there's a significant risk of reputational damage and potential regulatory penalties. This could lead to a negative short-term impact on Alibaba's stock price as investors react to the potential for increased operational costs and restrictions in the EU market.

The EU Commission's request for information from online platforms about generative AI includes companies like Google. This investigation could lead to increased scrutiny on Google's AI projects and potentially impose new regulatory requirements. The uncertainty and potential for regulatory hurdles in the EU, a significant market, could negatively impact Google's stock in the short term as investors assess the implications for the company's AI initiatives.

As the EU Commission seeks information from online platforms on generative AI, companies like META could come under increased scrutiny. This could affect META's AI-driven projects and operations within the EU, potentially leading to regulatory challenges. The uncertainty and potential for new regulatory requirements could have a negative short-term impact on META's stock as investors consider the implications for the company's future AI initiatives in the EU.

The EU Commission's investigation into generative AI and its request for information from online platforms could impact Microsoft, given its significant investments in AI. This could lead to increased regulatory scrutiny and potentially impose new requirements on Microsoft's AI projects in the EU. The uncertainty and potential regulatory challenges could negatively affect Microsoft's stock in the short term as investors weigh the implications for the company's AI operations in the EU.

With the EU Commission's investigation into generative AI, Snap Inc. could face increased scrutiny, especially regarding its AI-driven features and operations in the EU. This could lead to regulatory challenges and potentially impact the company's ability to deploy AI-driven features in the EU. The uncertainty and potential for new regulatory requirements could negatively impact Snap's stock in the short term as investors consider the implications for the company's AI initiatives in the EU.