The AI boom: rational enthusiasm or the next dot-com bubble?
17 August 2026By Malin Andersson, Johannes Breckenfelder, Stefano Corradin, Kalin Nikolov and Maria Antonietta Viola The rise of AI has driven a blistering rally in the tech sector, bringing stock market valuations to levels last seen during the dot-com bubble. Although AI is reshaping the economy, do today’s high valuations bear the risk of an abrupt and painful setback in the euro area? Valuations on the US stock market, as…

