The AMC CEO criticized Robinhood over tokenized shares. Against this backdrop, AMC shares rose by 21% overnight, according to The Block's headline.

The Block also reports that OpenAI previously voiced similar criticism of Robinhood, stating it had not approved the transfer of its shares.

The story's significance relates to the question of how trading platforms issue or offer tokenized versions of shares and coordinate such operations with issuing companies. However, the full context of the claims and the tokenization mechanism are not disclosed in the available source.