According to @StockMKTNewz, Nvidia (NVDA) has joined the investor group backing Harmonic, an AI startup founded by Robinhood co-founder Vlad Tenev that builds systems to solve mathematical problems (source: @StockMKTNewz; Axios). The post does not disclose funding amount, valuation, or round details, and no crypto assets were mentioned in the item, limiting immediate trading model inputs and crypto tie-ins (source: @StockMKTNewz).