Shares in Robinhood Markets (HOOD) rose as much as 28% in after-hours trading as a 13D filing revealed that Sam Bankman-Fried (SBF) had taken a 7.6% stake. Sam Bankman-Fried, founder and CEO of the cryptocurrency exchange FTX, purchased 56 million shares of HOOD. This gave him a 7.6% stake in the retail trading platform, according to the 13D filing. SBF purchased the shares through a company called Emergent Fidelity Technologies Ltd., which Bankman-Fried is the sole owner of. The stake is worth roughly $560 million. HOOD’s stock was up 28% in after-hours trading after closing at $8.56 earlier in the day, according to ... (full story)