07:49 AM EST, 01/06/2025 (MT Newswires) -- Zhongchao ( ZCMD ) shares slumped 19% pre-bell Monday after a 1.2% increase on Friday.
SoundThinking ( SSTI ) shares fell 15%, reversing from Friday's gains.
Chicago Rivet & Machine ( CVR ) shares dropped 10% following a 2.1% increase in the previous session.