Tech valuations have surged due to expectations around AI, with Alphabet surpassing a $4 trillion valuation, making it the second-most valuable company after Nvidia. Despite warnings of overvaluation, Alphabet's stock has risen significantly, aided by partnerships like Apple's use of Google’s Gemini AI. Google is innovating with its Gemini 3 model, outperforming rivals, while also facing scrutiny over its search dominance and antitrust issues. The company continues to grow in cloud computing and YouTube advertising, but concerns about overvaluation persist. Teljes cikk (Euronews.com)