Bankman-Fried Reports Robinhood Stake

The video discusses a new stakeholder, Sam Bankman-Fried, co-founder and CEO of FTX, who has acquired a 7.6% stake. The stake is valued at approximately $567 million based on the closing share price. The market reacted positively, with after-hours trading showing a 25% increase. The video also explores the implications for Robinhood, which had a significant year in 2021 but faced declining transaction volumes.

How much is Sam Bankman-Fried's stake valued at based on the closing price?

What challenges did Robinhood face in 2021 according to the text?