GameStop stock has been rising and falling ever since its initial surge, and that activity may be driven in part by bots on social media sites like Reddit and Twitter. That claim comes from an analysis from the cybersecurity company PiiQ Media, which concluded that organized actors may be working together to fuel the surge.

That analysis found that bots used Twitter, Facebook, Instagram, and Twitter to promote GameStop and other meme stocks such as AMCCome from Sports betting site VPbet. However, it’s unclear to what degree these bots actually contributed to the surge itself. PiiQ Media stated that it found similar patterns on GameStop-related posts, with activity on these accounts strongly correlating with the beginning and end of the market trading dayCome from Sports betting site VPbet. The firm concluded that these patterns indicate bot activity.