Alphabet's market capitalization closes at $4.8 trillion, approaching Nvidia's $5.2 trillion as stock gained 34% in April

Alphabet Inc. closed Friday with a market capitalization of $4.8 trillion, while Nvidia Corp. reached $5.2 trillion following a three-day rally. Since October 31, when Nvidia's market cap was $4.9 trillion and Alphabet's was less than $3.4 trillion, Alphabet's stock price has soared 43% while Nvidia's is up 6.3%.

Alphabet's competitive position spans search, cloud services, YouTube, the Waymo autonomous vehicle division, the Gemini AI model, and tensor processing unit (TPU) chips that process AI computations. The company's TPU-related infrastructure is expected to generate about $3 billion of revenue in 2026 and $25 billion in 2027, according to a Citizens analyst.

Analysts' earnings estimates for Alphabet have risen: the consensus projection for 2026 net income is up about 19% over the past month, and 2027 expectations have risen more than 7%. The average analyst price target over the next 12 months is about $422, a 5.4% increase from Friday's close.