https://www.theguardian.com/business/2022/jan/25/nvidia-preparing-to-abandon-40bn-arm-takeover

The largest ever semiconductor chip merger has been hit by regulatory hurdles and industry opposition

Nvidia is becoming increasingly resigned to giving up on its $40bn takeover of Cambridge-based chip designer Arm, as regulatory hurdles and industry opposition mounts, making it almost certain that the two-year time frame the companies aimed to complete the deal in will expire.