Alphabet Inc. shares declined in trading on Wednesday as reports emerged that Google has lost another key executive from its artificial intelligence division.
The departure underscores ongoing challenges within the tech giant's AI efforts, compounding investor concerns about execution in a fiercely competitive market.
The stock's slide comes amid a broader backdrop of uncertainty for Google's AI ambitions.
Recent reports indicated that Google has delayed updates to its Gemini artificial intelligence model, intensifying scrutiny of the company's ability to maintain its competitive edge against rivals.
The sell-off in Alphabet shares occurred against a wider market downturn.
US equity markets closed lower on Thursday, driven by a broad-based selloff in semiconductor shares and rising investor anxiety over escalating tensions in the Middle East.