07:51 AM EDT, 04/03/2025 (MT Newswires) -- Sionna Therapeutics ( SION ) shares slumped 42% pre-bell Thursday, erasing Wednesday's advance.
RH (RH) shares dropped 28% after the company reported overnight fiscal Q4 earnings and sales that trailed analysts' estimates.
American Rebel Holdings ( AREB ) shares fell 23%, paring Wednesday's rally.
Chicago Rivet & Machine ( CVR ) stock was down 4.6% after a 7.3% gain in the previous session.