Robinhood’s stock hit record highs with its crypto token launch, but shares slid after OpenAI denied involvement, warning the tokens aren’t legitimate equity.

Robinhood stock popped this week on news that European users could trade "tokenized" stock in private companies. OpenAI distanced itself from the plan.

The financial-services platform is making a smart move by getting deeper into cryptocurrencies, analysts say, as it will expand its customer base.