Technology companies are the undisputed leaders in the ranking of the world's most highly valued listed companies. The AI boom in particular gave the sector a boost. But three well-known Swiss companies have also made it into the top 100. According to an analysis by consulting firm EY published on Tuesday, three tech companies took the top spots of the most valuable companies. Microsoft came out on top, followed by Apple and chip manufacturer Nvidia. The cut-off date for the survey was June 28. Do you want to read our weekly top stories? Subscribe here. The total market capitalisation of the 100 most valuable companies reached a new high of $42.3 trillion according to EY calculations. Among the global top 100, 26 companies are from the technology sector and 60 are based in the US. Three Swiss firms – Nestlé, Roche and Novartis – made it into the ranking. However, they had to drop a few places. The food company slipped to 36th place from 24 at the beginning of 2024. Roche is in 51st ...