British chipmaker Arm adds another 30%

British fabless semiconductor chipmaker Arm Holdings PLC (NASDAQ:ARM) scored a more than 29% gain to $148.97 on the US markets yesterday, meaning it’s doubled in value since the start of the year. It’s a stellar performance for the company and a vindication of the group’s decision to list in the US instead of on home territory. Arm, which makes CPUs for basically every mobile phone on the planet, touted its expertise in artificial intelligence applications in last week’s record quarterly trading update. Tot ...