Ouster is trading 4.89% lower at $31.90 in pre-market, alongside broader technology-sector weakness. - Technology was reported down 1.51% pre-market; no company-specific catalyst or confirmed November 5 announcement was identified. - After Ouster’s 15.73% gain on November 4, its November 3 results showed record revenue and Q4 guidance, but sequential gross-margin declines and an adjusted loss per share missed one reported consensus estimate. - Sources do not establish the earnings update as the direct cause of the drop.