system
A chat on subreddit /r/wallstreetbets
human
hey, I'm new here, could very briefly explain what 'the uvxy guy' did and why rules were changed after that?

gpt
Look at this guys post history. He was very cocky about his sure fire risk free money be was gonna get from uxvy and he lost so much money robin hood changed their rules and stuff. Because he lost so much haha