The two-year race for the title of world's most valuable company is tightening again. According to The Motley Fool, whose analysis was also carried by The Globe and Mail and republished via Yahoo Finance, Apple (NASDAQ: AAPL) now sits roughly 4% below Nvidia (NASDAQ: NVDA) by market capitalization.

Nvidia, the chipmaker whose processors power much of the current artificial-intelligence boom, currently holds the top spot. The Motley Fool notes that Apple, the iPhone maker, has closed in "again" — signaling this is not the first time the gap between the two giants has narrowed.

The outlet frames its piece around a simple question: could Apple retake the crown this month? A 4% gap is small in stock-market terms. Because market value moves with daily share prices, a modest rally in Apple shares, a dip in Nvidia's, or both, could be enough to flip the ranking in a matter of trading sessions.

The sources here do not provide the specific dollar figures for either company's market cap, a firm prediction, or a guaranteed timeline. What they establish is proximity: the lead is narrow and the positions are close enough that it is realistically in play.

Why it matters: which company sits at the top is a widely watched barometer of where investors think value is heading — toward Apple's consumer-hardware empire or Nvidia's AI-chip engine — and a swap at the summit would signal a shift in that sentiment.