Microsoft overtakes Nvidia / Chipmaker’s shares plunge

Microsoft surpassed Nvidia on Tuesday to become the second-most valuable company in the world, after the chipmaker's shares fell sharply on the New York Stock Exchange. The move was fueled by investor concerns about the sustainability of massive spending on artificial intelligence and an investigation concerning Nvidia CEO Jensen Huang.

Microsoft shares fell 0.4% to $543.25, while Nvidia stock lost more than 6%, reaching approximately $167.11. Nvidia's decline came after a 4.3% drop in Monday's session.

The company is on track to lose more than $470 billion in market capitalization in just two sessions. Investors are cautiously examining the pace and profitability of investments in artificial intelligence infrastructure, a sector in which Nvidia is one of the main chip suppliers.

The decline is also taking place against the backdrop of an investigation that is expected to determine whether Jensen Huang may have been targeted by a foreign intelligence service. Nvidia's Board of Directors has nevertheless reaffirmed its confidence in the CEO. Microsoft shares withstood market pressures better, allowing the company to rise to second place in the global ranking of market capitalization.

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