Biotech stocks advanced in the week ending Nov. 26, as a late-week surge on the back of news about a new COVID-19 variant, named Omicron, helped mitigate the losses notched earlier in the holiday-shortened week. Shares of companies with a COVID portfolio, including a vaccine, a treatment, or both, reacted with strong moves to the upside in the truncated session on Friday. Takeda Pharmaceutical Company Limited and Aadi Bioscience, Inc. received Food and Drug Administration nod for their Livtencity and Fyarro, respectively. Here are the catalysts that could impact trading in the upcoming week: Conferences The Evercore ISI 4th Annual HealthCONx Virtual Conference: Nov. 30 – Dec. 2 Piper Sandler 33rd Annual Virtual Healthcare Conference: Nov. 29 – Dec. 2 American Epilepsy Society, or AES, 2021 Annual Meeting: Dec. 3–7, in Illinois, Chicago PDUFA Dates The FDA is scheduled to rule on VBI Vaccines Inc.’s biologic license application for its …