From Reddit to Wall Street: the role of committed minorities in financial collective action

Lorenzo Lucchini,1 Luca Maria Aiello,2 Laura Alessandretti,3 Gianmarco De Francisci Morales,4 Michele Starnini,4 and Andrea Baronchelli5, 6, 7, ∗ FBK Fondazione Bruno Kessler, 38123 Trento, Italy IT University of Copenhagen, DK Technical University of Denmark, DK-2800 Kgs. Lyngby, DK ISI Foundation, via Chisola 5, 10126 Torino, Italy City University of London, Department of Mathematics, London EC1V 0HB, UK The Alan Turing Institute, British Library, 96 Euston Road, London NW12DB, UK UCL Centre for Blockchain Technologies, University College London, London, UK