Pacific Biosciences is trading 6.1% up at $2.44 on October 9, recovering from its October 8 close of $2.30, which was down 15.44%.

  • No new company-specific announcement explaining the rebound was found; the latest company news located was the October 6 TychoBio collaboration, which does not establish a cause.
  • The broader market is modestly higher, while biotech ETF XBI is down 2.04%. Search results mention recent volatility and an insider sale, but do not directly link either to today’s gain.