Pentair is trading 11.3% up in pre-market at $59.00, versus its October 2 close of $53.03; no clearly reported October 5 company-specific announcement explains the move.

  • Pentair completed its $1.4 billion Taco Group acquisition on October 1, but reports do not establish it as the cause.
  • Major U.S. index indications are nearly flat and do not clearly explain the rise.