Alphabet Soars to $4 Trillion Valuation as AI Focus Ignites Investor Confidence

• Alphabet achieved a $4 trillion market valuation, driven by its renewed focus on artificial intelligence.
• The tech giant surpassed Apple in market capitalization for the first time since 2019, becoming the world's second most valuable company.
• Investor sentiment shifted dramatically, with Alphabet's stock surging 65% in 2025 and an additional 6% this year.
• Google Cloud's strong growth, rare investment from Berkshire Hathaway, and the new Gemini 3 model contributed to the rally.
• Samsung Electronics plans to double mobile devices with Google's Gemini-powered AI features this year, indicating strong demand.

Why It Matters: Alphabet's strategic AI refocus and strong cloud performance propelled it to a $4 trillion valuation.