Soluna Holdings is trading at $0.61, up +5.72% in pre-market on October 21; no clear company-specific catalyst was identified. - It closed at $0.58 on October 20. - The Nasdaq’s 0.61% gain offers broader technology-market context. Bitcoin and Ethereum are up 1.05% and 0.91% since their last closes, respectively; those gains are comparatively modest. - Soluna’s October 20 board announcement is recent, but available reporting does not establish it as the cause of this move.