Regal Rexnord is trading at $164.52, up 5.8%, in pre-market on September 30, with no verified overnight company announcement or clear catalyst found. - The September 30 price compares with the September 29 close of $155.89. - The previously declared $0.35 quarterly dividend has an ex-dividend date of September 30; its July announcement does not establish the reason for the gain. - Broader index futures were modestly higher, but the supplied market context shows no same-direction move above 0.5%.