Artificial intelligence (AI) companies have attracted a wealth of investments, but the bubble could soon burst, according to Matthias Geissbühler, head of investments at Switzerland's Raiffeisen bank. + How US heavyweights can help grow the Swiss AI sector "As early as autumn 2025, I had warned of a bubble forming," the expert said in an interview with the AWP news agency. Although it is not possible to estimate the exact timing, Geissbühler believes the risk would be high "over the next two or