Artificial intelligence is undoubtedly the undisputed protagonist of the financial and technological markets in recent years. However, while enthusiasm around its potential grows, signals also emerge that call for caution. The comparison with the dot-com bubble of the early millennium is increasingly frequent among analysts and investors, who watch with concern the concentration of value in the so-called Magnificent Seven: Alphabet, Amazon, Apple, Meta, Microsoft, Nvidia and Tesla.
These giants today represent over a third of the S&P 500 index, a share much higher than the 15% held by the main technology stocks during the peak of the internet bubble in 2000. Such a concentration inevitably increases systemic risk.
It is not just a matter of capitalization. During the dot-com bubble era, the rush to invest in telecommunications infrastructure led to an excessive expansion of fiber optic networks, culminating in catastrophic failures when the promised demand did not mat
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