Ouster is trading at $29.91, down 6.9% in pre-market amid a sharp technology-sector selloff. - No fresh company-specific catalyst was identified for October 30; shares fell 4.37% in the October 29 session. - Reuters reported that worries over returns from heavy AI spending weighed on tech shares. Alphabetβs sharp fall and after-hours losses in Intel and Amazon drove Nasdaq futures lower.