What's Going On With GT Biopharma Stock?

GT Biopharma shares are moving on heavy trading volume despite a lack of company-specific news. The stock is one of the top trending tickers on Stocktwits which may point to a rally led by retail traders. According to data from Benzinga Pro, more than 60.4 million shares have been traded in the session, far exceeding the stock's 100-day average of less than 11,000 shares.