CLDX ▼ -1.4% - Celldex Therapeutics, Inc. $CLDX - Celldex to Present at Upcoming Investor Conference Celldex Therapeutics fell 1.4% today following an announcement that the company will present at an upcoming investor conference. Conference presentation announcements typically do not drive material single-day moves, suggesting the decline may reflect broader market conditions or investor sentiment unrelated to the news itself. 08-SEP-2026 04:01 PM ET