D-Wave Quantum is trading at $12.92, down 4.19%, amid a semiconductor-sector selloff linked to competition concerns and worries about AI spending. - Reports of Chinese chipmaker CXMT’s technology progress contributed to sector concerns; Reuters reported U.S. chipmakers fell on October 13. - D-Wave Quantum closed lower in four of the preceding five sessions, based on the supplied price history. - No clear D-Wave-specific announcement explaining the October 14 drop was identified. The October 13 manufacturing-partnership extension is earlier news, not an established cause.