According to sources, Harmonic, an AI company co-founded by Robinhood CEO, is in talks with investors including Sequoia Capital for financing. Harmonic, founded last year by Robinhood CEO Vlad Tenev and autonomous vehicle entrepreneur Tudor Achim, is a startup focused on AI inference. The company has been in discussions with investors such as Sequoia Capital and Index Ventures. The total amount of this round of financing is expected to reach 50 million dollars, with a valuation of 250 million dollars. (The Information)