list of restricted stocks:
AMC, CVM, EXPR, FOSL, GME, NOK, BB, BBBY, FIZZ, GSX, IRBT, NCMI, TR, UONE, VIR, NAK, NAKD, DDS, KOSS
https://www.tdameritrade.com/td-ameritrade-trading-restrictions-stocks.page
You can still do a “basic buy”, but they have put other sorts of restrictions on them.
AC