Apple has become the world's most valuable publicly traded company, with its market capitalization reaching almost $5 trillion, according to market data cited by Bybit's research team. The milestone ends Nvidia's roughly 14-month run atop the rankings, a title the chipmaker had held since May 2025.

The shift places the iPhone maker ahead of the AI-chip giant that had come to symbolize the market's obsession with artificial intelligence infrastructure spending. Bybit's analysts pointed to the change taking shape gradually since July 17, when Apple's shares began closing the gap with Nvidia's valuation before ultimately overtaking it.

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A Reversal After Nvidia's Long Reign

Nvidia's ascent to the top of the market-cap rankings had been closely tied to demand for the GPUs powering large-scale AI training, a trend that pushed the company's valuation past every other publicly traded firm in the world starting in May 2025. Apple reclaiming the top spot suggests investors are once again rewarding steady, diversified earnings power over pure AI infrastructure exposure, at least for now.

The timing is notable: the crossover comes in the same week Apple is set to report quarterly earnings, adding weight to whether the company can hold its newly regained crown once results are public. Nvidia, for its part, remains one of the most closely watched stocks in the market regardless of where it sits in the rankings, given its outsized influence on AI-related sentiment across both equities and crypto markets.

Why the Ranking Matters Beyond Bragging Rights

Shifts at the very top of the global market-cap table tend to reflect broader rotations in investor positioning, and this one arrives amid a stretch of mixed Big Tech earnings reactions. Bybit's research desk noted the change as part of a wider pattern of divergent stock reactions this earnings season, where some large-cap names have rallied sharply on results while others have sold off, underscoring how selective investors have become about which growth stories they're willing to pay up for.