Nvidia’s (NASDAQ:NVDA) ascent to a $4.3 trillion market capitalization has cemented its status as a titan in the tech world and the world’s most valuable company, driven by its unrivaled dominance in artificial intelligence (AI) chip production.

Bloomberg journalists discuss today's biggest winners and losers in the stock market. Listen for analysis on the companies making news on Wall Street.

Wall Street's AI heavyweights added a combined half a trillion dollars in stock market value late on Wednesday after quarterly reports from Microsoft and Meta Platforms showed massive investments in the emerging technology were paying off.