Biotech Stock Roundup: ZGNX’s Acquisition News, REGN, BLUE’s Updates & More Posted byZacks Equity Research January 20, 2022 Leave a comment on Biotech Stock Roundup: ZGNX’s Acquisition News, REGN, BLUE’s Updates & More Regulatory and other pipeline updates from Zogenix (ZGNX) and Regeneron (REGN) are among a few key highlights from the biotech sector during the past week.