Jan. 12 (UPI) -- Alphabet, Google's parent company, became the fourth company to reach a $4 trillion value Monday.

The company's stock rose 2% Monday after Apple announced it chose Google's Gemini to power its artificial intelligence features.

Nvidia and Microsoft breached the $4 trillion mark in July, and Apple crossed it in October. Alphabet passed $3 trillion in September. Since then, Apple and Microsoft have dropped below $4 trillion.

Analyst Deepak Mathivanan upgraded Alphabet's stock on Jan. 8, CNBC reported.

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