Artificial intelligence startup Invisible Technologies, a competitor of Scale AI Inc., is raising $100 million in a new funding round that underscores Silicon Valley investors’ interest in the building blocks of the AI boom. The 10-year-old startup is valued at more than $2 billion in the deal, according to a people familiar with the matter who asked not to be identified discussing private information. A new firm called Vanara Capital led the financing, its first public investment since spinning...