Upcoming catalysts from Annexon Biosciences Inc. put some joy into shares as the firm talked up its prospects during the recent J.P. Morgan Healthcare Conference, where attendees heard Jan. 8 about the news ahead with C1q protein complex inhibitor ANX-005 in Huntington’s disease (HD) as well as progress in Guillain-Barre syndrome (GBS), and more. The stock (NASDAQ:ANNX) enjoyed a 43% stock boost in the days after JPM, rising from $4.79 on Jan 8 to $6.84 on Jan. 13.