Chipmaking major Nvidia has become the worlds most valuable company after its stocks reached all-time high on Tuesday, media reports said.
The stock ended the trading day at nearly $136, up 3.5%, making it more valuable than Microsoft, reported BBC.
It had overtaken Apple recently.
The firms market capitalization closed at roughly $3.34 trillion on Tuesday.
It moved ahead of IT major Microsoft whose value is $3.32 trillion.
Apple remains the third most valuable company in the USA with $3.27 trillion market cap.
Nvidia shares closed 3.5% higher on Tuesday. Microsoft shares fell 0.5% and Apple shares lost 1.1%. Nvidia earlier this month joined the tech giants in becoming the only US companies to cross a $3 trillion market cap, reported CNN.