Google Stock Falls 5% Amid Questions Over AI Leadership, Gemini 4 Roadmap

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Alphabet's (GOOGL) surge in capital spending isn't the only thing worrying Wall Street, judging by the internet giant's second-quarter earnings call with analysts. Google stock fell on Thursday as investors mulled capital spending and other issues, such as whether Alphabet is suddenly lagging in the race to build more powerful artificial intelligence models. Google reported Q2 financial results late Wednesday.…