The world's second most valuable company has been the top beneficiary of an AI-driven spending spree by big technology companies over the past two years.

Nvidia (NVDA) is expected to release its fiscal fourth quarter earnings results at the end of the trading day on Wednesday.

U.S. chipmaker Nvidia has sued EU antitrust regulators for accepting an Italian request last year to scrutinise its acquisition of AI startup Run:ai, saying they had flouted an earlier court ruling restricting their merger powers on minor deals.

Nvidia (NASDAQ:NVDA) has filed a suit against a European Union regulator over what it views was an unnecessary probe into Nvidia's acquisition of Run:ai last year, according to Reuters. Last fall, even though the deal did not meet the notification thresholds set forth by the EU Merger Regulation,