Heico is trading 6.95% up at $325.77 in pre-market on September 29, with no clear company-specific catalyst identified. - The latest company news located was its August 25 third-quarter results; coverage described them as strong but did not link them to the move. - Broader aerospace and defense sentiment was negative: Boeing fell after the FAA delayed 737 MAX 10 certification, and ITA was down 2.13%. - Sector weakness does not explain Heico’s sharp rise, leaving the immediate catalyst unclear.