European officials discussed new actions against people who block or threaten passage in the Strait of Hormuz. Meanwhile, US stock indexes finished the day slightly lower as new tension between the US and Iran made investors worried about a possible break in the ceasefire. In business news, Apple announced that John Ternus will become the next CEO, and Tim Cook will move to executive chairman. Also, Boehringer Ingelheim opened an artificial intelligence centre in London to support drug research in the pharmaceutical industry.