Ouster is trading 4.87% down at $40.51; no new company-specific announcement explaining the October 8 decline surfaced in available reporting. - The latest company release was its October 7 Seneca drone partnership. - Reuters reported weaker U.S. stock futures amid surging oil and Treasury yields near multi-year highs. The provided major-index moves were all below 0.5%, so the available evidence does not establish a clear cause for Ouster’s larger drop.