Don’t forget about the market makers either. Robinhood and other brokerages sell data on the positions their traders are entering to their market makers (like C

Don’t forget about the market makers either. Robinhood and other brokerages sell data on the positions their traders are entering to their market makers (like Citadel). Then the algos front run the trade, and you end up in a situation where a stock like HTZ can rally exponentially in a day.