They will halt trading on stocks whenever they feel like it and often ignore questions sent to customer service. I've suddenly been banned from using the social aspect of the app and they won't tell me why. This is the second time this has happened the first time they ignored me and just unbanned me now they just beat around the bush and won't even try to answer my question as to why I've been banned. They've also halted trading on gamestop and other stocks in January 2021 and again 2 months ago