GIGADEVICE is trading at HK$466.40, up +4.06%, with no clear company-specific announcement explaining the September 29 move identified in available search results.

  • The company’s official news page showed a September 9 event notice.
  • Supplied sector context was negative and does not explain the rise. Available market listings show a prior close of HK$448.20, but do not establish a cause for the rebound.