QCLS ▼ -17.9% - Q/C Technologies, Inc. $QCLS - Q/C Technologies Names Yossef Ehrlichman Chief Technology Officer to Lead Optical Processor Development Q/C Technologies shares fell 17.9% today despite the company's announcement that it has named Yossef Ehrlichman as Chief Technology Officer to lead its optical processor development efforts. The sharp decline suggests investors may have reacted negatively to other aspects of the announcement or broader market conditions rather than the executive appointment itself. 15-SEP-2026 09:00 AM ET