Amazon.com Inc. founder Jeff Bezos joined Samsung in a $700 million bet on Tenstorrent, valuing the AI chip startup with ambitions of taking on Nvidia Corp. at about $2.6 billion.Tenstorrent, which hopes to create a chip to try and break Nvidia’s stranglehold on the AI business, raised capital in a funding round led by South Korea’s AFW Partners and Samsung Securities, founder and semiconductor pioneer Jim Keller said in an interview. Bezos Expeditions joined LG Electronics Inc. and Fidelity in ...