Nvidia-backed Perplexity AI said on Wednesday it has launched Comet, a new web browser with AI-powered search capabilities, as the startup looks to challenge the dominance of market leader Alphabet's Google Chrome.

If this Wall Street analyst is correct, Nvidia shareholders will see monster returns through the end of the decade.

On Wednesday, Nvidia became the first company in history to reach $4 trillion market valuation as shares rose more than 2 percent, reports CNBC. The GPU maker's stock has climbed 22 percent since the start of 2025, continuing a trend driven by demand for AI hardware following ChatGPT's late 2022 launch.

Nvidia on Wednesday became the first-ever company to breach a market capitalization of $4 trillion, a record growth fuelled by the AI mania sweeping across the world. The Santa Clara-based chipmaker surpassed technology giants Apple and Microsoft to become the Nasdaq's number one, finishing at $162.88 a share, according to the Wall Street Journal.

Nvidia Corp. became the first company in history to achieve a $4 trillion market valuation, cementing its status as a kingpin in the global financial market. Shares jumped 2.8% to $164.42 on Wednesday to crack the milestone,

Nvidia's historic $4 trillion milestone reveals three business revolutions: AI employees, smart robots, intelligence infrastructure. Why every company should care.

The achievement marks new milestone in Wall Street's bet that artificial intelligence will transform the economy.

AI powerhouse Nvidia tops $4 trillion in valuation. Forbes India is your destination for business, stock market, startup and technology news, and a peek into the lives of India's richest and most famous.