After-hours trading on Tuesday featured a wave of notable price moves across the biotech and therapeutics space, with several small- and mid-cap names posting sharp gains following clinical updates, strategic announcements, or upcoming trial milestones. While regular session activity was mixed, post-market momentum reflected renewed attention to pipeline developments and near-term catalysts. Below is a roundup of key after-hours gainers.Shares of Cyclerion Therapeutics, Inc. (CYCN) surged 48.01% in after-h ...