arm ipo semiconductor chipmaker
  • Arm became the biggest IPO in the US since 2021 when it made its market debut on Thursday.
  • Its stock rose 25% – with retail investors keen to jump on the bandwagon of AI-related stocks.
  • Fidelity users placed over 20,000 buy orders on Thursday, Bloomberg reported.

Arm's successful first day of trading has caught the eye of retail equity investors. 

Shares in the UK-based chip designer rose 25% after debuting with the largest IPO since 2021, as individual investors piled into the stock hoping to capture a slice of the gains.