(Bloomberg) — Artificial intelligence search company Perplexity AI has started fundraising talks in which it aims to more than double its valuation to $8 billion or more, the Wall Street Journal reported Sunday.Most Read from BloombergA Broken Oil Pipeline Plunges South Sudan’s Capital Into ChaosDrug Decriminalization Spawns a Political Debacle for ProgressivesCities Look to AI to Flag Residents’ Trash and Recycling MistakesOne City’s Plan to Re-Link a Neighborhood That Robert Moses DividedChic