BSEM ▼ -5.5% - BioStem Technologies, Inc. $BSEM - Terminal1, the operating system built for public companies, announced today that BioStem Technologies, Inc. (NASDAQ: BSEM) has joined the Terminal1 platform BioStem Technologies shares fell 5.5% today despite the company announcing it has joined the Terminal1 platform, an operating system designed for public companies. The announcement itself does not clarify reasons for the intraday decline. 21-SEP-2026 04:30 PM ET