Trump fires IRS chief after less than two months on the job
US taxation body has lost a quarter of its staff since the president began his second term
Can OpenAI’s GPT-5 model live up to sky-high expectations?
Release of eagerly awaited system upgrade has been met with a mixed response, with some users calling the gains ‘modest’
US high-grade corporate bond market notches up biggest inflows since 2020
Investors remain upbeat despite signs economy is losing momentum
Trump pushes ahead with plans to take Fannie and Freddie public
Bank chief executives meet with president to discuss the future of US mortgage groups
Ukrainian bonds rally as Trump and Putin gear up for talks
Investors are betting progress in negotiations will revive Kyiv’s securities and boost other assets linked to Russia’s economy
Trump hosts ‘peace summit’ with Armenia and Azerbaijan leaders
US president unleased announcements and executive orders this week, including on retirement accounts and tariffs
