Alphabet (GOOG) Class C Stock Today: AI Chips, Gemini 3 and the $4 Trillion Question (4 December 2025)
Alphabet’s Class C shares (GOOG) closed at $320.62 on December 3, 2025, about 2% below their late-November record high near $328. The stock’s market value stands at roughly $3.87 trillion, ranking Alphabet among the world’s most valuable companies. GOOG has surged about 79% over the past year, outpacing most tech peers. The rally follows the November launch of Gemini 3, Alphabet’s new AI model.