Google Added $1.5 Trillion in Market Cap in 6 Weeks; AI Memory Efficiency Claims Fuel Outperformance

Alphabet has gained nearly $1.5 trillion in market capitalization over the past six weeks, reaching a $4.9 trillion valuation that exceeds all but three countries' GDPs; the rally is fueled by reports that Google has achieved a 6x reduction in AI model memory requirements, unlocking faster inference and lower-cost deployment; Alphabet is now the third-largest company by market cap, after only Saudi Aramco and a handful of mega-cap tech peers.