SAB Biotherapeutics is trading at $3.40, up 10.75% in pre-market, with no clear company-specific catalyst identified for October 28.

  • The latest company-specific development found was the FDA Fast Track designation for SAB-142, announced October 13; it is prior news, not a confirmed trigger for the move.
  • A recent report highlighted diabetes-trial progress, but did not establish a connection to the gain.
  • Supplied broad-market indicators are mixed and modest and do not clearly explain the move.