Stryker is trading 6.6% up at $328.89 on November 4, alongside a strong broader-market rally; no Stryker-specific catalyst is confirmed. - The S&P 500, Nasdaq Composite, and Dow are all higher. - Stryker missed third-quarter earnings and revenue expectations and lowered its 2026 earnings outlook; that earlier report does not by itself explain the November 4 rise.