How Jensen Huang's NVIDIA, who started with video game chips, became the world's most valuable firm, bigger than UK's GDP

Nvidias valuation has soared to an unprecedented $3.92 trillion, overtaking the GDPs of France and UK and edging closer to Indias. Born as a gaming graphics chip maker, Nvidia now powers vast AI data centres for tech giants like Microsoft, Amazon and Meta. Despite tariff setbacks under US President Donald Trump, its shares rebounded sharply. Backed by relentless AI demand, Nvidias dominance reflects investor confidence in its role at the heart of artificial intelligences next frontier.