AI startup Perplexity's valuation rose to $20 billion in fresh funding talks. It's a $2 billion jump from its last fundraise in July.

AI startup Perplexity said it made a formal offer to acquire Google’s Chrome browser for $34.5 billion, in anticipation of requirements that may be imposed on the search giant in antitrust proceedings.

Perplexity AI made a $34.5 billion unsolicited all-cash offer for Alphabet's Chrome browser on Tuesday, a bid far above its own valuation as the startup reaches for the browser's billions of users pivotal to the AI search race.