ANNX ▲ +3.1% - Annexon, Inc. $ANNX - Annexon to Participate in Upcoming September Investor Conferences Annexon shares rose 3.1% today following the company's announcement that it will participate in upcoming September investor conferences, a move that typically allows management to present its clinical pipeline and business strategy to institutional investors and analysts. 02-SEP-2026 08:01 AM ET