PulteGroup is trading at $119.46, up 7.76% after hours, with no verified company-specific catalyst for the October 19 move. - Third-quarter results are scheduled for October 22; the earnings release had not yet occurred. - U.S. homebuilder sentiment fell to 29, its lowest reading since June 2012, according to Reuters. - PulteGroup announced a quarterly dividend, but available reporting does not link it to the after-hours surge; the reason remains unclear.