Nvidia stock climbed 4% on Tuesday, extending its rally to 14% in five days. The chipmaker's market value soared by $400 billion — more than Costco is worth. Nvidia and CEO Jensen Huang are riding high on massive buzz around its new Blackwell chip.

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You can opt-out at any time by visiting our Preferences page or by clicking "unsubscribe" at the bottom of the email. Advertisement Fresh buzz around AI lifted Nvidia stock by 4% on Tuesday, extending its rally to 14% over the last five trading days and leaving it just shy of its record high. The microchip maker's market value has jumped by $400 billion to $3.

26 trillion since last Wednesday's open. It's now more valuable than Microsoft and second only to Apple among the world's public companies. Its $400 billion increase in value within a week is worth underscoring.

Costco , which generated $254 billion of revenue and $7.4 billion of net income last year, is worth less than that. It's roughly one-eighth as valuable as Nvidia, which made only $61 billion in revenue last year but generated almost $30 billion of net income.

Nvidia shares have s.